25688542

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{1051}}^1$

素因数の和:1176

約数の個数: 24

約数和(自身を含む): 42814296

約数和(自身を除く): 17125754

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 1051, 1111, 2102, 2222, 11561, 12221, 23122, 24442, 106151, 127171, 212302, 254342, 1167661, 2335322, 12844271, 25688542]

約数ペア:

[(1, 25688542), (2, 12844271), (11, 2335322), (22, 1167661), (101, 254342), (121, 212302), (202, 127171), (242, 106151), (1051, 24442), (1111, 23122), (2102, 12221), (2222, 11561)]