28887875

素因数分解:

$5^3\times {\mathrm{59}}^1\times {\mathrm{3917}}^1$

素因数の和:3991

約数の個数: 16

約数和(自身を含む): 36672480

約数和(自身を除く): 7784605

約数列:

[1, 5, 25, 59, 125, 295, 1475, 3917, 7375, 19585, 97925, 231103, 489625, 1155515, 5777575, 28887875]

約数ペア:

[(1, 28887875), (5, 5777575), (25, 1155515), (59, 489625), (125, 231103), (295, 97925), (1475, 19585), (3917, 7375)]