31218790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1297}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 58877280

約数和(自身を除く): 27658490

約数列:

[1, 2, 5, 10, 29, 58, 83, 145, 166, 290, 415, 830, 1297, 2407, 2594, 4814, 6485, 12035, 12970, 24070, 37613, 75226, 107651, 188065, 215302, 376130, 538255, 1076510, 3121879, 6243758, 15609395, 31218790]

約数ペア:

[(1, 31218790), (2, 15609395), (5, 6243758), (10, 3121879), (29, 1076510), (58, 538255), (83, 376130), (145, 215302), (166, 188065), (290, 107651), (415, 75226), (830, 37613), (1297, 24070), (2407, 12970), (2594, 12035), (4814, 6485)]