640968

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{1571}}^1$

素因数の和:1597

約数の個数: 32

約数和(自身を含む): 1697760

約数和(自身を除く): 1056792

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 1571, 3142, 4713, 6284, 9426, 12568, 18852, 26707, 37704, 53414, 80121, 106828, 160242, 213656, 320484, 640968]

約数ペア:

[(1, 640968), (2, 320484), (3, 213656), (4, 160242), (6, 106828), (8, 80121), (12, 53414), (17, 37704), (24, 26707), (34, 18852), (51, 12568), (68, 9426), (102, 6284), (136, 4713), (204, 3142), (408, 1571)]