15816944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 37330944

約数和(自身を除く): 21514000

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 176, 208, 223, 248, 286, 341, 403, 446, 496, 572, 682, 806, 892, 1144, 1364, 1612, 1784, 2288, 2453, 2728, 2899, 3224, 3568, 4433, 4906, 5456, 5798, 6448, 6913, 8866, 9812, 11596, 13826, 17732, 19624, 23192, 27652, 31889, 35464, 39248, 46384, 55304, 63778, 70928, 76043, 89869, 110608, 127556, 152086, 179738, 255112, 304172, 359476, 510224, 608344, 718952, 988559, 1216688, 1437904, 1977118, 3954236, 7908472, 15816944]

約数ペア:

[(1, 15816944), (2, 7908472), (4, 3954236), (8, 1977118), (11, 1437904), (13, 1216688), (16, 988559), (22, 718952), (26, 608344), (31, 510224), (44, 359476), (52, 304172), (62, 255112), (88, 179738), (104, 152086), (124, 127556), (143, 110608), (176, 89869), (208, 76043), (223, 70928), (248, 63778), (286, 55304), (341, 46384), (403, 39248), (446, 35464), (496, 31889), (572, 27652), (682, 23192), (806, 19624), (892, 17732), (1144, 13826), (1364, 11596), (1612, 9812), (1784, 8866), (2288, 6913), (2453, 6448), (2728, 5798), (2899, 5456), (3224, 4906), (3568, 4433)]