28987505

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{941}}^1$

素因数の和:1108

約数の個数: 16

約数和(自身を含む): 35743248

約数和(自身を除く): 6755743

約数列:

[1, 5, 61, 101, 305, 505, 941, 4705, 6161, 30805, 57401, 95041, 287005, 475205, 5797501, 28987505]

約数ペア:

[(1, 28987505), (5, 5797501), (61, 475205), (101, 287005), (305, 95041), (505, 57401), (941, 30805), (4705, 6161)]