209520008

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{331519}}^1$

素因数の和:331604

約数の個数: 16

約数和(自身を含む): 397824000

約数和(自身を除く): 188303992

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 331519, 663038, 1326076, 2652152, 26190001, 52380002, 104760004, 209520008]

約数ペア:

[(1, 209520008), (2, 104760004), (4, 52380002), (8, 26190001), (79, 2652152), (158, 1326076), (316, 663038), (632, 331519)]