81386608

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{50363}}^1$

素因数の和:50472

約数の個数: 20

約数和(自身を含む): 159250968

約数和(自身を除く): 77864360

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 50363, 100726, 201452, 402904, 805808, 5086663, 10173326, 20346652, 40693304, 81386608]

約数ペア:

[(1, 81386608), (2, 40693304), (4, 20346652), (8, 10173326), (16, 5086663), (101, 805808), (202, 402904), (404, 201452), (808, 100726), (1616, 50363)]