28473965

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 38227968

約数和(自身を除く): 9754003

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 1087, 2015, 5239, 5435, 14131, 26195, 33697, 70655, 168485, 183703, 438061, 918515, 2190305, 5694793, 28473965]

約数ペア:

[(1, 28473965), (5, 5694793), (13, 2190305), (31, 918515), (65, 438061), (155, 183703), (169, 168485), (403, 70655), (845, 33697), (1087, 26195), (2015, 14131), (5239, 5435)]