640616108

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{12143}}^1$

素因数の和:12278

約数の個数: 36

約数和(自身を含む): 1243667040

約数和(自身を除く): 603050932

約数列:

[1, 2, 4, 11, 22, 44, 109, 121, 218, 242, 436, 484, 1199, 2398, 4796, 12143, 13189, 24286, 26378, 48572, 52756, 133573, 267146, 534292, 1323587, 1469303, 2647174, 2938606, 5294348, 5877212, 14559457, 29118914, 58237828, 160154027, 320308054, 640616108]

約数ペア:

[(1, 640616108), (2, 320308054), (4, 160154027), (11, 58237828), (22, 29118914), (44, 14559457), (109, 5877212), (121, 5294348), (218, 2938606), (242, 2647174), (436, 1469303), (484, 1323587), (1199, 534292), (2398, 267146), (4796, 133573), (12143, 52756), (13189, 48572), (24286, 26378)]