81376130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{617}}^1$

素因数の和:755

約数の個数: 48

約数和(自身を含む): 162744120

約数和(自身を除く): 81367990

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 121, 218, 242, 545, 605, 617, 1090, 1199, 1210, 1234, 2398, 3085, 5995, 6170, 6787, 11990, 13189, 13574, 26378, 33935, 65945, 67253, 67870, 74657, 131890, 134506, 149314, 336265, 373285, 672530, 739783, 746570, 1479566, 3698915, 7397830, 8137613, 16275226, 40688065, 81376130]

約数ペア:

[(1, 81376130), (2, 40688065), (5, 16275226), (10, 8137613), (11, 7397830), (22, 3698915), (55, 1479566), (109, 746570), (110, 739783), (121, 672530), (218, 373285), (242, 336265), (545, 149314), (605, 134506), (617, 131890), (1090, 74657), (1199, 67870), (1210, 67253), (1234, 65945), (2398, 33935), (3085, 26378), (5995, 13574), (6170, 13189), (6787, 11990)]