81515518

素因数分解:

$2^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{10529}}^1$

素因数の和:10624

約数の個数: 24

約数和(自身を含む): 144050400

約数和(自身を除く): 62534882

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 553, 1106, 3871, 7742, 10529, 21058, 73703, 147406, 515921, 831791, 1031842, 1663582, 5822537, 11645074, 40757759, 81515518]

約数ペア:

[(1, 81515518), (2, 40757759), (7, 11645074), (14, 5822537), (49, 1663582), (79, 1031842), (98, 831791), (158, 515921), (553, 147406), (1106, 73703), (3871, 21058), (7742, 10529)]