249988570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113117}}^1$

素因数の和:113154

約数の個数: 32

約数和(自身を含む): 513103248

約数和(自身を除く): 263114678

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 113117, 226234, 565585, 1131170, 1470521, 1922989, 2941042, 3845978, 7352605, 9614945, 14705210, 19229890, 24998857, 49997714, 124994285, 249988570]

約数ペア:

[(1, 249988570), (2, 124994285), (5, 49997714), (10, 24998857), (13, 19229890), (17, 14705210), (26, 9614945), (34, 7352605), (65, 3845978), (85, 2941042), (130, 1922989), (170, 1470521), (221, 1131170), (442, 565585), (1105, 226234), (2210, 113117)]