28372421

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{52639}}^1$

素因数の和:52664

約数の個数: 12

約数和(自身を含む): 36005760

約数和(自身を除く): 7633339

約数列:

[1, 7, 11, 49, 77, 539, 52639, 368473, 579029, 2579311, 4053203, 28372421]

約数ペア:

[(1, 28372421), (7, 4053203), (11, 2579311), (49, 579029), (77, 368473), (539, 52639)]