1681702778

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1969207}}^1$

素因数の和:1969277

約数の個数: 16

約数和(自身を含む): 2930181504

約数和(自身を除く): 1248478726

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 1969207, 3938414, 13784449, 27568898, 120121627, 240243254, 840851389, 1681702778]

約数ペア:

[(1, 1681702778), (2, 840851389), (7, 240243254), (14, 120121627), (61, 27568898), (122, 13784449), (427, 3938414), (854, 1969207)]