81577496

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 209986560

約数和(自身を除く): 128409064

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 61, 77, 88, 91, 104, 122, 143, 154, 167, 182, 244, 286, 308, 334, 364, 427, 488, 572, 616, 668, 671, 728, 793, 854, 1001, 1144, 1169, 1336, 1342, 1586, 1708, 1837, 2002, 2171, 2338, 2684, 3172, 3416, 3674, 4004, 4342, 4676, 4697, 5368, 5551, 6344, 7348, 8008, 8684, 8723, 9352, 9394, 10187, 11102, 12859, 14696, 15197, 17368, 17446, 18788, 20374, 22204, 23881, 25718, 30394, 34892, 37576, 40748, 44408, 47762, 51436, 60788, 61061, 69784, 71309, 81496, 95524, 102872, 112057, 121576, 122122, 132431, 142618, 167167, 191048, 224114, 244244, 264862, 285236, 334334, 448228, 488488, 529724, 570472, 668668, 784399, 896456, 927017, 1059448, 1337336, 1456741, 1568798, 1854034, 2913482, 3137596, 3708068, 5826964, 6275192, 7416136, 10197187, 11653928, 20394374, 40788748, 81577496]

約数ペア:

[(1, 81577496), (2, 40788748), (4, 20394374), (7, 11653928), (8, 10197187), (11, 7416136), (13, 6275192), (14, 5826964), (22, 3708068), (26, 3137596), (28, 2913482), (44, 1854034), (52, 1568798), (56, 1456741), (61, 1337336), (77, 1059448), (88, 927017), (91, 896456), (104, 784399), (122, 668668), (143, 570472), (154, 529724), (167, 488488), (182, 448228), (244, 334334), (286, 285236), (308, 264862), (334, 244244), (364, 224114), (427, 191048), (488, 167167), (572, 142618), (616, 132431), (668, 122122), (671, 121576), (728, 112057), (793, 102872), (854, 95524), (1001, 81496), (1144, 71309), (1169, 69784), (1336, 61061), (1342, 60788), (1586, 51436), (1708, 47762), (1837, 44408), (2002, 40748), (2171, 37576), (2338, 34892), (2684, 30394), (3172, 25718), (3416, 23881), (3674, 22204), (4004, 20374), (4342, 18788), (4676, 17446), (4697, 17368), (5368, 15197), (5551, 14696), (6344, 12859), (7348, 11102), (8008, 10187), (8684, 9394), (8723, 9352)]