647528890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2815343}}^1$

素因数の和:2815373

約数の個数: 16

約数和(自身を含む): 1216228608

約数和(自身を除く): 568699718

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 2815343, 5630686, 14076715, 28153430, 64752889, 129505778, 323764445, 647528890]

約数ペア:

[(1, 647528890), (2, 323764445), (5, 129505778), (10, 64752889), (23, 28153430), (46, 14076715), (115, 5630686), (230, 2815343)]