64538390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{131711}}^1$

素因数の和:131732

約数の個数: 24

約数和(自身を含む): 135136512

約数和(自身を除く): 70598122

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 131711, 263422, 658555, 921977, 1317110, 1843954, 4609885, 6453839, 9219770, 12907678, 32269195, 64538390]

約数ペア:

[(1, 64538390), (2, 32269195), (5, 12907678), (7, 9219770), (10, 6453839), (14, 4609885), (35, 1843954), (49, 1317110), (70, 921977), (98, 658555), (245, 263422), (490, 131711)]