13123490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 26524800

約数和(自身を除く): 13401310

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 239, 289, 323, 478, 578, 646, 1195, 1445, 1615, 2390, 2890, 3230, 4063, 4541, 5491, 8126, 9082, 10982, 20315, 22705, 27455, 40630, 45410, 54910, 69071, 77197, 138142, 154394, 345355, 385985, 690710, 771970, 1312349, 2624698, 6561745, 13123490]

約数ペア:

[(1, 13123490), (2, 6561745), (5, 2624698), (10, 1312349), (17, 771970), (19, 690710), (34, 385985), (38, 345355), (85, 154394), (95, 138142), (170, 77197), (190, 69071), (239, 54910), (289, 45410), (323, 40630), (478, 27455), (578, 22705), (646, 20315), (1195, 10982), (1445, 9082), (1615, 8126), (2390, 5491), (2890, 4541), (3230, 4063)]