521309230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{308467}}^1$

素因数の和:308500

約数の個数: 24

約数和(自身を含む): 1016093592

約数和(自身を除く): 494784362

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 308467, 616934, 1542335, 3084670, 4010071, 8020142, 20050355, 40100710, 52130923, 104261846, 260654615, 521309230]

約数ペア:

[(1, 521309230), (2, 260654615), (5, 104261846), (10, 52130923), (13, 40100710), (26, 20050355), (65, 8020142), (130, 4010071), (169, 3084670), (338, 1542335), (845, 616934), (1690, 308467)]