68638390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{62971}}^1$

素因数の和:63087

約数の個数: 16

約数和(自身を含む): 124684560

約数和(自身を除く): 56046170

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 62971, 125942, 314855, 629710, 6863839, 13727678, 34319195, 68638390]

約数ペア:

[(1, 68638390), (2, 34319195), (5, 13727678), (10, 6863839), (109, 629710), (218, 314855), (545, 125942), (1090, 62971)]