2781643921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{214451}}^1$

素因数の和:214584

約数の個数: 16

約数和(自身を含む): 3396919680

約数和(自身を除く): 615275759

約数列:

[1, 7, 17, 109, 119, 763, 1853, 12971, 214451, 1501157, 3645667, 23375159, 25519669, 163626113, 397377703, 2781643921]

約数ペア:

[(1, 2781643921), (7, 397377703), (17, 163626113), (109, 25519669), (119, 23375159), (763, 3645667), (1853, 1501157), (12971, 214451)]