399500090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{28597}}^1$

素因数の和:28742

約数の個数: 32

約数和(自身を含む): 790677504

約数和(自身を除く): 391177414

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 2794, 6985, 13970, 28597, 57194, 142985, 285970, 314567, 629134, 1572835, 3145670, 3631819, 7263638, 18159095, 36318190, 39950009, 79900018, 199750045, 399500090]

約数ペア:

[(1, 399500090), (2, 199750045), (5, 79900018), (10, 39950009), (11, 36318190), (22, 18159095), (55, 7263638), (110, 3631819), (127, 3145670), (254, 1572835), (635, 629134), (1270, 314567), (1397, 285970), (2794, 142985), (6985, 57194), (13970, 28597)]