221437216

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:295

約数の個数: 192

約数和(自身を含む): 606928896

約数和(自身を除く): 385491680

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 31, 32, 44, 52, 56, 62, 77, 88, 91, 104, 112, 124, 143, 154, 176, 182, 208, 217, 223, 224, 248, 286, 308, 341, 352, 364, 403, 416, 434, 446, 496, 572, 616, 682, 728, 806, 868, 892, 992, 1001, 1144, 1232, 1364, 1456, 1561, 1612, 1736, 1784, 2002, 2288, 2387, 2453, 2464, 2728, 2821, 2899, 2912, 3122, 3224, 3472, 3568, 4004, 4433, 4576, 4774, 4906, 5456, 5642, 5798, 6244, 6448, 6913, 6944, 7136, 8008, 8866, 9548, 9812, 10912, 11284, 11596, 12488, 12896, 13826, 16016, 17171, 17732, 19096, 19624, 20293, 22568, 23192, 24976, 27652, 31031, 31889, 32032, 34342, 35464, 38192, 39248, 40586, 45136, 46384, 48391, 49952, 55304, 62062, 63778, 68684, 70928, 76043, 76384, 78496, 81172, 89869, 90272, 92768, 96782, 110608, 124124, 127556, 137368, 141856, 152086, 162344, 179738, 193564, 221216, 223223, 248248, 255112, 274736, 304172, 324688, 359476, 387128, 446446, 496496, 510224, 532301, 549472, 608344, 629083, 649376, 718952, 774256, 892892, 988559, 992992, 1020448, 1064602, 1216688, 1258166, 1437904, 1548512, 1785784, 1977118, 2129204, 2433376, 2516332, 2875808, 3571568, 3954236, 4258408, 5032664, 6919913, 7143136, 7908472, 8516816, 10065328, 13839826, 15816944, 17033632, 20130656, 27679652, 31633888, 55359304, 110718608, 221437216]

約数ペア:

[(1, 221437216), (2, 110718608), (4, 55359304), (7, 31633888), (8, 27679652), (11, 20130656), (13, 17033632), (14, 15816944), (16, 13839826), (22, 10065328), (26, 8516816), (28, 7908472), (31, 7143136), (32, 6919913), (44, 5032664), (52, 4258408), (56, 3954236), (62, 3571568), (77, 2875808), (88, 2516332), (91, 2433376), (104, 2129204), (112, 1977118), (124, 1785784), (143, 1548512), (154, 1437904), (176, 1258166), (182, 1216688), (208, 1064602), (217, 1020448), (223, 992992), (224, 988559), (248, 892892), (286, 774256), (308, 718952), (341, 649376), (352, 629083), (364, 608344), (403, 549472), (416, 532301), (434, 510224), (446, 496496), (496, 446446), (572, 387128), (616, 359476), (682, 324688), (728, 304172), (806, 274736), (868, 255112), (892, 248248), (992, 223223), (1001, 221216), (1144, 193564), (1232, 179738), (1364, 162344), (1456, 152086), (1561, 141856), (1612, 137368), (1736, 127556), (1784, 124124), (2002, 110608), (2288, 96782), (2387, 92768), (2453, 90272), (2464, 89869), (2728, 81172), (2821, 78496), (2899, 76384), (2912, 76043), (3122, 70928), (3224, 68684), (3472, 63778), (3568, 62062), (4004, 55304), (4433, 49952), (4576, 48391), (4774, 46384), (4906, 45136), (5456, 40586), (5642, 39248), (5798, 38192), (6244, 35464), (6448, 34342), (6913, 32032), (6944, 31889), (7136, 31031), (8008, 27652), (8866, 24976), (9548, 23192), (9812, 22568), (10912, 20293), (11284, 19624), (11596, 19096), (12488, 17732), (12896, 17171), (13826, 16016)]