172815448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{3947}}^1$

素因数の和:4387

約数の個数: 32

約数和(自身を含む): 349871760

約数和(自身を除く): 177056312

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 421, 842, 1684, 3368, 3947, 5473, 7894, 10946, 15788, 21892, 31576, 43784, 51311, 102622, 205244, 410488, 1661687, 3323374, 6646748, 13293496, 21601931, 43203862, 86407724, 172815448]

約数ペア:

[(1, 172815448), (2, 86407724), (4, 43203862), (8, 21601931), (13, 13293496), (26, 6646748), (52, 3323374), (104, 1661687), (421, 410488), (842, 205244), (1684, 102622), (3368, 51311), (3947, 43784), (5473, 31576), (7894, 21892), (10946, 15788)]