681567888

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{330217}}^1$

素因数の和:330271

約数の個数: 40

約数和(自身を含む): 1801669408

約数和(自身を除く): 1120101520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 330217, 660434, 990651, 1320868, 1981302, 2641736, 3962604, 5283472, 7925208, 14199331, 15850416, 28398662, 42597993, 56797324, 85195986, 113594648, 170391972, 227189296, 340783944, 681567888]

約数ペア:

[(1, 681567888), (2, 340783944), (3, 227189296), (4, 170391972), (6, 113594648), (8, 85195986), (12, 56797324), (16, 42597993), (24, 28398662), (43, 15850416), (48, 14199331), (86, 7925208), (129, 5283472), (172, 3962604), (258, 2641736), (344, 1981302), (516, 1320868), (688, 990651), (1032, 660434), (2064, 330217)]