81397712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4243}}^1$

素因数の和:4371

約数の個数: 40

約数和(自身を含む): 173664480

約数和(自身を除く): 92266768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 872, 1199, 1744, 2398, 4243, 4796, 8486, 9592, 16972, 19184, 33944, 46673, 67888, 93346, 186692, 373384, 462487, 746768, 924974, 1849948, 3699896, 5087357, 7399792, 10174714, 20349428, 40698856, 81397712]

約数ペア:

[(1, 81397712), (2, 40698856), (4, 20349428), (8, 10174714), (11, 7399792), (16, 5087357), (22, 3699896), (44, 1849948), (88, 924974), (109, 746768), (176, 462487), (218, 373384), (436, 186692), (872, 93346), (1199, 67888), (1744, 46673), (2398, 33944), (4243, 19184), (4796, 16972), (8486, 9592)]