1223600890

素因数分解:

$2^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{219677}}^1$

素因数の和:220241

約数の個数: 16

約数和(自身を含む): 2206445832

約数和(自身を除く): 982844942

約数列:

[1, 2, 5, 10, 557, 1114, 2785, 5570, 219677, 439354, 1098385, 2196770, 122360089, 244720178, 611800445, 1223600890]

約数ペア:

[(1, 1223600890), (2, 611800445), (5, 244720178), (10, 122360089), (557, 2196770), (1114, 1098385), (2785, 439354), (5570, 219677)]