31078718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 54000000

約数和(自身を除く): 22921282

約数列:

[1, 2, 11, 19, 22, 38, 149, 209, 298, 418, 499, 998, 1639, 2831, 3278, 5489, 5662, 9481, 10978, 18962, 31141, 62282, 74351, 104291, 148702, 208582, 817861, 1412669, 1635722, 2825338, 15539359, 31078718]

約数ペア:

[(1, 31078718), (2, 15539359), (11, 2825338), (19, 1635722), (22, 1412669), (38, 817861), (149, 208582), (209, 148702), (298, 104291), (418, 74351), (499, 62282), (998, 31141), (1639, 18962), (2831, 10978), (3278, 9481), (5489, 5662)]