780668

素因数分解:

$2^2\times 7^3\times {\mathrm{569}}^1$

素因数の和:594

約数の個数: 24

約数和(自身を含む): 1596000

約数和(自身を除く): 815332

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 569, 686, 1138, 1372, 2276, 3983, 7966, 15932, 27881, 55762, 111524, 195167, 390334, 780668]

約数ペア:

[(1, 780668), (2, 390334), (4, 195167), (7, 111524), (14, 55762), (28, 27881), (49, 15932), (98, 7966), (196, 3983), (343, 2276), (569, 1372), (686, 1138)]