221420630

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{34543}}^1$

素因数の和:35191

約数の個数: 16

約数和(自身を含む): 399190464

約数和(自身を除く): 177769834

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 34543, 69086, 172715, 345430, 22142063, 44284126, 110710315, 221420630]

約数ペア:

[(1, 221420630), (2, 110710315), (5, 44284126), (10, 22142063), (641, 345430), (1282, 172715), (3205, 69086), (6410, 34543)]