81445818

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1697}}^1$

素因数の和:2142

約数の個数: 32

約数和(自身を含む): 171973440

約数和(自身を除く): 90527622

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 421, 842, 1263, 1697, 2526, 3394, 5091, 7999, 10182, 15998, 23997, 32243, 47994, 64486, 96729, 193458, 714437, 1428874, 2143311, 4286622, 13574303, 27148606, 40722909, 81445818]

約数ペア:

[(1, 81445818), (2, 40722909), (3, 27148606), (6, 13574303), (19, 4286622), (38, 2143311), (57, 1428874), (114, 714437), (421, 193458), (842, 96729), (1263, 64486), (1697, 47994), (2526, 32243), (3394, 23997), (5091, 15998), (7999, 10182)]