278899516

素因数分解:

$2^2\times 7^1\times {\mathrm{1889}}^1\times {\mathrm{5273}}^1$

素因数の和:7173

約数の個数: 24

約数和(自身を含む): 558200160

約数和(自身を除く): 279300644

約数列:

[1, 2, 4, 7, 14, 28, 1889, 3778, 5273, 7556, 10546, 13223, 21092, 26446, 36911, 52892, 73822, 147644, 9960697, 19921394, 39842788, 69724879, 139449758, 278899516]

約数ペア:

[(1, 278899516), (2, 139449758), (4, 69724879), (7, 39842788), (14, 19921394), (28, 9960697), (1889, 147644), (3778, 73822), (5273, 52892), (7556, 36911), (10546, 26446), (13223, 21092)]