642743452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{15241}}^1$

素因数の和:16069

約数の個数: 24

約数和(自身を含む): 1212897392

約数和(自身を除く): 570153940

約数列:

[1, 2, 4, 13, 26, 52, 811, 1622, 3244, 10543, 15241, 21086, 30482, 42172, 60964, 198133, 396266, 792532, 12360451, 24720902, 49441804, 160685863, 321371726, 642743452]

約数ペア:

[(1, 642743452), (2, 321371726), (4, 160685863), (13, 49441804), (26, 24720902), (52, 12360451), (811, 792532), (1622, 396266), (3244, 198133), (10543, 60964), (15241, 42172), (21086, 30482)]