664388982

素因数分解:

$2^1\times 3^2\times {\mathrm{3889}}^1\times {\mathrm{9491}}^1$

素因数の和:13388

約数の個数: 24

約数和(自身を含む): 1440031320

約数和(自身を除く): 775642338

約数列:

[1, 2, 3, 6, 9, 18, 3889, 7778, 9491, 11667, 18982, 23334, 28473, 35001, 56946, 70002, 85419, 170838, 36910499, 73820998, 110731497, 221462994, 332194491, 664388982]

約数ペア:

[(1, 664388982), (2, 332194491), (3, 221462994), (6, 110731497), (9, 73820998), (18, 36910499), (3889, 170838), (7778, 85419), (9491, 70002), (11667, 56946), (18982, 35001), (23334, 28473)]