664398

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{5273}}^1$

素因数の和:5288

約数の個数: 24

約数和(自身を含む): 1645488

約数和(自身を除く): 981090

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 5273, 10546, 15819, 31638, 36911, 47457, 73822, 94914, 110733, 221466, 332199, 664398]

約数ペア:

[(1, 664398), (2, 332199), (3, 221466), (6, 110733), (7, 94914), (9, 73822), (14, 47457), (18, 36911), (21, 31638), (42, 15819), (63, 10546), (126, 5273)]