64220870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{131063}}^1$

素因数の和:131084

約数の個数: 24

約数和(自身を含む): 134471664

約数和(自身を除く): 70250794

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 131063, 262126, 655315, 917441, 1310630, 1834882, 4587205, 6422087, 9174410, 12844174, 32110435, 64220870]

約数ペア:

[(1, 64220870), (2, 32110435), (5, 12844174), (7, 9174410), (10, 6422087), (14, 4587205), (35, 1834882), (49, 1310630), (70, 917441), (98, 655315), (245, 262126), (490, 131063)]