81994424

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 169344000

約数和(自身を除く): 87349576

約数列:

[1, 2, 4, 8, 19, 38, 41, 59, 76, 82, 118, 152, 164, 223, 236, 328, 446, 472, 779, 892, 1121, 1558, 1784, 2242, 2419, 3116, 4237, 4484, 4838, 6232, 8474, 8968, 9143, 9676, 13157, 16948, 18286, 19352, 26314, 33896, 36572, 45961, 52628, 73144, 91922, 105256, 173717, 183844, 249983, 347434, 367688, 499966, 539437, 694868, 999932, 1078874, 1389736, 1999864, 2157748, 4315496, 10249303, 20498606, 40997212, 81994424]

約数ペア:

[(1, 81994424), (2, 40997212), (4, 20498606), (8, 10249303), (19, 4315496), (38, 2157748), (41, 1999864), (59, 1389736), (76, 1078874), (82, 999932), (118, 694868), (152, 539437), (164, 499966), (223, 367688), (236, 347434), (328, 249983), (446, 183844), (472, 173717), (779, 105256), (892, 91922), (1121, 73144), (1558, 52628), (1784, 45961), (2242, 36572), (2419, 33896), (3116, 26314), (4237, 19352), (4484, 18286), (4838, 16948), (6232, 13157), (8474, 9676), (8968, 9143)]