289652275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{7069}}^1$

素因数の和:7239

約数の個数: 24

約数和(自身を含む): 394506000

約数和(自身を除く): 104853725

約数列:

[1, 5, 11, 25, 55, 149, 275, 745, 1639, 3725, 7069, 8195, 35345, 40975, 77759, 176725, 388795, 1053281, 1943975, 5266405, 11586091, 26332025, 57930455, 289652275]

約数ペア:

[(1, 289652275), (5, 57930455), (11, 26332025), (25, 11586091), (55, 5266405), (149, 1943975), (275, 1053281), (745, 388795), (1639, 176725), (3725, 77759), (7069, 40975), (8195, 35345)]