28516369

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 33336576

約数和(自身を除く): 4820207

約数列:

[1, 7, 71, 181, 317, 497, 1267, 2219, 12851, 22507, 57377, 89957, 157549, 401639, 4073767, 28516369]

約数ペア:

[(1, 28516369), (7, 4073767), (71, 401639), (181, 157549), (317, 89957), (497, 57377), (1267, 22507), (2219, 12851)]