81431108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{34919}}^1$

素因数の和:34987

約数の個数: 24

約数和(自身を含む): 158397120

約数和(自身を除く): 76966012

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 34919, 69838, 139676, 384109, 768218, 1536436, 1850707, 3701414, 7402828, 20357777, 40715554, 81431108]

約数ペア:

[(1, 81431108), (2, 40715554), (4, 20357777), (11, 7402828), (22, 3701414), (44, 1850707), (53, 1536436), (106, 768218), (212, 384109), (583, 139676), (1166, 69838), (2332, 34919)]