128502815

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{601}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 182044800

約数和(自身を除く): 53541985

約数列:

[1, 5, 7, 35, 41, 149, 205, 287, 601, 745, 1043, 1435, 3005, 4207, 5215, 6109, 21035, 24641, 30545, 42763, 89549, 123205, 172487, 213815, 447745, 626843, 862435, 3134215, 3671509, 18357545, 25700563, 128502815]

約数ペア:

[(1, 128502815), (5, 25700563), (7, 18357545), (35, 3671509), (41, 3134215), (149, 862435), (205, 626843), (287, 447745), (601, 213815), (745, 172487), (1043, 123205), (1435, 89549), (3005, 42763), (4207, 30545), (5215, 24641), (6109, 21035)]