278864

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:638

約数の個数: 20

約数和(自身を含む): 559860

約数和(自身を除く): 280996

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 601, 1202, 2404, 4808, 9616, 17429, 34858, 69716, 139432, 278864]

約数ペア:

[(1, 278864), (2, 139432), (4, 69716), (8, 34858), (16, 17429), (29, 9616), (58, 4808), (116, 2404), (232, 1202), (464, 601)]