81862104

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 210470400

約数和(自身を除く): 128608296

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 139, 159, 212, 278, 318, 417, 424, 463, 556, 636, 834, 926, 1112, 1272, 1389, 1668, 1852, 2778, 3336, 3704, 5556, 7367, 11112, 14734, 22101, 24539, 29468, 44202, 49078, 58936, 64357, 73617, 88404, 98156, 128714, 147234, 176808, 193071, 196312, 257428, 294468, 386142, 514856, 588936, 772284, 1544568, 3410921, 6821842, 10232763, 13643684, 20465526, 27287368, 40931052, 81862104]

約数ペア:

[(1, 81862104), (2, 40931052), (3, 27287368), (4, 20465526), (6, 13643684), (8, 10232763), (12, 6821842), (24, 3410921), (53, 1544568), (106, 772284), (139, 588936), (159, 514856), (212, 386142), (278, 294468), (318, 257428), (417, 196312), (424, 193071), (463, 176808), (556, 147234), (636, 128714), (834, 98156), (926, 88404), (1112, 73617), (1272, 64357), (1389, 58936), (1668, 49078), (1852, 44202), (2778, 29468), (3336, 24539), (3704, 22101), (5556, 14734), (7367, 11112)]