221972470

素因数分解:

$2^1\times 5^1\times {\mathrm{797}}^1\times {\mathrm{27851}}^1$

素因数の和:28655

約数の個数: 16

約数和(自身を含む): 400066128

約数和(自身を除く): 178093658

約数列:

[1, 2, 5, 10, 797, 1594, 3985, 7970, 27851, 55702, 139255, 278510, 22197247, 44394494, 110986235, 221972470]

約数ペア:

[(1, 221972470), (2, 110986235), (5, 44394494), (10, 22197247), (797, 278510), (1594, 139255), (3985, 55702), (7970, 27851)]