397750078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{203141}}^1$

素因数の和:203243

約数の個数: 16

約数和(自身を含む): 658180080

約数和(自身を除く): 260430002

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 203141, 406282, 2234551, 4469102, 18079549, 36159098, 198875039, 397750078]

約数ペア:

[(1, 397750078), (2, 198875039), (11, 36159098), (22, 18079549), (89, 4469102), (178, 2234551), (979, 406282), (1958, 203141)]