8400436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2689}}^1$

素因数の和:2775

約数の個数: 24

約数和(自身を含む): 16269120

約数和(自身を除く): 7868684

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 2689, 3124, 5378, 10756, 29579, 59158, 118316, 190919, 381838, 763676, 2100109, 4200218, 8400436]

約数ペア:

[(1, 8400436), (2, 4200218), (4, 2100109), (11, 763676), (22, 381838), (44, 190919), (71, 118316), (142, 59158), (284, 29579), (781, 10756), (1562, 5378), (2689, 3124)]