42780668

素因数分解:

$2^2\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1861}}^1$

素因数の和:2693

約数の個数: 24

約数和(自身を含む): 85711584

約数和(自身を除く): 42930916

約数列:

[1, 2, 4, 7, 14, 28, 821, 1642, 1861, 3284, 3722, 5747, 7444, 11494, 13027, 22988, 26054, 52108, 1527881, 3055762, 6111524, 10695167, 21390334, 42780668]

約数ペア:

[(1, 42780668), (2, 21390334), (4, 10695167), (7, 6111524), (14, 3055762), (28, 1527881), (821, 52108), (1642, 26054), (1861, 22988), (3284, 13027), (3722, 11494), (5747, 7444)]