2781478

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3257}}^1$

素因数の和:3327

約数の個数: 16

約数和(自身を含む): 4847904

約数和(自身を除く): 2066426

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 3257, 6514, 22799, 45598, 198677, 397354, 1390739, 2781478]

約数ペア:

[(1, 2781478), (2, 1390739), (7, 397354), (14, 198677), (61, 45598), (122, 22799), (427, 6514), (854, 3257)]