262531390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{5669}}^1$

素因数の和:6108

約数の個数: 32

約数和(自身を含む): 516831840

約数和(自身を除く): 254300450

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 421, 842, 2105, 4210, 4631, 5669, 9262, 11338, 23155, 28345, 46310, 56690, 62359, 124718, 311795, 623590, 2386649, 4773298, 11933245, 23866490, 26253139, 52506278, 131265695, 262531390]

約数ペア:

[(1, 262531390), (2, 131265695), (5, 52506278), (10, 26253139), (11, 23866490), (22, 11933245), (55, 4773298), (110, 2386649), (421, 623590), (842, 311795), (2105, 124718), (4210, 62359), (4631, 56690), (5669, 46310), (9262, 28345), (11338, 23155)]