2689402

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:641

約数の個数: 16

約数和(自身を含む): 4228200

約数和(自身を除く): 1538798

約数列:

[1, 2, 29, 58, 89, 178, 521, 1042, 2581, 5162, 15109, 30218, 46369, 92738, 1344701, 2689402]

約数ペア:

[(1, 2689402), (2, 1344701), (29, 92738), (58, 46369), (89, 30218), (178, 15109), (521, 5162), (1042, 2581)]