220565569

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{3169}}^1$

素因数の和:3400

約数の個数: 16

約数和(自身を含む): 257860480

約数和(自身を除く): 37294911

約数列:

[1, 7, 61, 163, 427, 1141, 3169, 9943, 22183, 69601, 193309, 516547, 1353163, 3615829, 31509367, 220565569]

約数ペア:

[(1, 220565569), (7, 31509367), (61, 3615829), (163, 1353163), (427, 516547), (1141, 193309), (3169, 69601), (9943, 22183)]