12999610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{277}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 26691336

約数和(自身を除く): 13691726

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 277, 361, 494, 554, 722, 1235, 1385, 1805, 2470, 2770, 3601, 3610, 4693, 5263, 7202, 9386, 10526, 18005, 23465, 26315, 36010, 46930, 52630, 68419, 99997, 136838, 199994, 342095, 499985, 684190, 999970, 1299961, 2599922, 6499805, 12999610]

約数ペア:

[(1, 12999610), (2, 6499805), (5, 2599922), (10, 1299961), (13, 999970), (19, 684190), (26, 499985), (38, 342095), (65, 199994), (95, 136838), (130, 99997), (190, 68419), (247, 52630), (277, 46930), (361, 36010), (494, 26315), (554, 23465), (722, 18005), (1235, 10526), (1385, 9386), (1805, 7202), (2470, 5263), (2770, 4693), (3601, 3610)]