31491070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6547}}^1$

素因数の和:6604

約数の個数: 32

約数和(自身を含む): 62703648

約数和(自身を除く): 31212578

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 6547, 13094, 32735, 65470, 85111, 170222, 242239, 425555, 484478, 851110, 1211195, 2422390, 3149107, 6298214, 15745535, 31491070]

約数ペア:

[(1, 31491070), (2, 15745535), (5, 6298214), (10, 3149107), (13, 2422390), (26, 1211195), (37, 851110), (65, 484478), (74, 425555), (130, 242239), (185, 170222), (370, 85111), (481, 65470), (962, 32735), (2405, 13094), (4810, 6547)]