31991690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{3329}}^1$

素因数の和:3398

約数の個数: 24

約数和(自身を含む): 59520420

約数和(自身を除く): 27528730

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 3329, 4805, 6658, 9610, 16645, 33290, 103199, 206398, 515995, 1031990, 3199169, 6398338, 15995845, 31991690]

約数ペア:

[(1, 31991690), (2, 15995845), (5, 6398338), (10, 3199169), (31, 1031990), (62, 515995), (155, 206398), (310, 103199), (961, 33290), (1922, 16645), (3329, 9610), (4805, 6658)]