7981386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{619}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 18332160

約数和(自身を除く): 10350774

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 307, 614, 619, 921, 1238, 1842, 1857, 2149, 3714, 4298, 4333, 6447, 8666, 12894, 12999, 25998, 190033, 380066, 570099, 1140198, 1330231, 2660462, 3990693, 7981386]

約数ペア:

[(1, 7981386), (2, 3990693), (3, 2660462), (6, 1330231), (7, 1140198), (14, 570099), (21, 380066), (42, 190033), (307, 25998), (614, 12999), (619, 12894), (921, 8666), (1238, 6447), (1842, 4333), (1857, 4298), (2149, 3714)]