668391932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{78857}}^1$

素因数の和:79037

約数の個数: 24

約数和(自身を含む): 1267405776

約数和(自身を除く): 599013844

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 4238, 8476, 78857, 157714, 315428, 1025141, 2050282, 4100564, 12853691, 25707382, 51414764, 167097983, 334195966, 668391932]

約数ペア:

[(1, 668391932), (2, 334195966), (4, 167097983), (13, 51414764), (26, 25707382), (52, 12853691), (163, 4100564), (326, 2050282), (652, 1025141), (2119, 315428), (4238, 157714), (8476, 78857)]