258832990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{117119}}^1$

素因数の和:117156

約数の個数: 32

約数和(自身を含む): 531256320

約数和(自身を除く): 272423330

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 117119, 234238, 585595, 1171190, 1522547, 1991023, 3045094, 3982046, 7612735, 9955115, 15225470, 19910230, 25883299, 51766598, 129416495, 258832990]

約数ペア:

[(1, 258832990), (2, 129416495), (5, 51766598), (10, 25883299), (13, 19910230), (17, 15225470), (26, 9955115), (34, 7612735), (65, 3982046), (85, 3045094), (130, 1991023), (170, 1522547), (221, 1171190), (442, 585595), (1105, 234238), (2210, 117119)]