12718810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 24820992

約数和(自身を除く): 12102182

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 227, 431, 454, 862, 1135, 2155, 2270, 2951, 4310, 5603, 5902, 11206, 14755, 28015, 29510, 56030, 97837, 195674, 489185, 978370, 1271881, 2543762, 6359405, 12718810]

約数ペア:

[(1, 12718810), (2, 6359405), (5, 2543762), (10, 1271881), (13, 978370), (26, 489185), (65, 195674), (130, 97837), (227, 56030), (431, 29510), (454, 28015), (862, 14755), (1135, 11206), (2155, 5902), (2270, 5603), (2951, 4310)]