668519982

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2856923}}^1$

素因数の和:2856944

約数の個数: 24

約数和(自身を含む): 1559880504

約数和(自身を除く): 891360522

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 2856923, 5713846, 8570769, 17141538, 25712307, 37139999, 51424614, 74279998, 111419997, 222839994, 334259991, 668519982]

約数ペア:

[(1, 668519982), (2, 334259991), (3, 222839994), (6, 111419997), (9, 74279998), (13, 51424614), (18, 37139999), (26, 25712307), (39, 17141538), (78, 8570769), (117, 5713846), (234, 2856923)]