652340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1$

素因数の和:228

約数の個数: 36

約数和(自身を含む): 1491084

約数和(自身を除く): 838744

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 193, 260, 338, 386, 676, 772, 845, 965, 1690, 1930, 2509, 3380, 3860, 5018, 10036, 12545, 25090, 32617, 50180, 65234, 130468, 163085, 326170, 652340]

約数ペア:

[(1, 652340), (2, 326170), (4, 163085), (5, 130468), (10, 65234), (13, 50180), (20, 32617), (26, 25090), (52, 12545), (65, 10036), (130, 5018), (169, 3860), (193, 3380), (260, 2509), (338, 1930), (386, 1690), (676, 965), (772, 845)]