42981978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{857}}^1$

素因数の和:1518

約数の個数: 32

約数和(自身を含む): 92828736

約数和(自身を除く): 49846758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 643, 857, 1286, 1714, 1929, 2571, 3858, 5142, 8359, 11141, 16718, 22282, 25077, 33423, 50154, 66846, 551051, 1102102, 1653153, 3306306, 7163663, 14327326, 21490989, 42981978]

約数ペア:

[(1, 42981978), (2, 21490989), (3, 14327326), (6, 7163663), (13, 3306306), (26, 1653153), (39, 1102102), (78, 551051), (643, 66846), (857, 50154), (1286, 33423), (1714, 25077), (1929, 22282), (2571, 16718), (3858, 11141), (5142, 8359)]