221707367

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{14033}}^1$

素因数の和:14138

約数の個数: 16

約数和(自身を含む): 264512832

約数和(自身を除く): 42805465

約数列:

[1, 7, 37, 61, 259, 427, 2257, 14033, 15799, 98231, 519221, 856013, 3634547, 5992091, 31672481, 221707367]

約数ペア:

[(1, 221707367), (7, 31672481), (37, 5992091), (61, 3634547), (259, 856013), (427, 519221), (2257, 98231), (14033, 15799)]