28658515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1399}}^1$

素因数の和:1662

約数の個数: 16

約数和(自身を含む): 36590400

約数和(自身を除く): 7931885

約数列:

[1, 5, 17, 85, 241, 1205, 1399, 4097, 6995, 20485, 23783, 118915, 337159, 1685795, 5731703, 28658515]

約数ペア:

[(1, 28658515), (5, 5731703), (17, 1685795), (85, 337159), (241, 118915), (1205, 23783), (1399, 20485), (4097, 6995)]