1885280345

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71971}}^1$

素因数の和:72033

約数の個数: 24

約数和(自身を含む): 2528808192

約数和(自身を除く): 643527847

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 2015, 5239, 26195, 71971, 359855, 935623, 2231101, 4678115, 11155505, 12163099, 29004313, 60815495, 145021565, 377056069, 1885280345]

約数ペア:

[(1, 1885280345), (5, 377056069), (13, 145021565), (31, 60815495), (65, 29004313), (155, 12163099), (169, 11155505), (403, 4678115), (845, 2231101), (2015, 935623), (5239, 359855), (26195, 71971)]