81519334

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{3229}}^1$

素因数の和:4215

約数の個数: 16

約数和(自身を含む): 131861520

約数和(自身を除く): 50342186

約数列:

[1, 2, 13, 26, 971, 1942, 3229, 6458, 12623, 25246, 41977, 83954, 3135359, 6270718, 40759667, 81519334]

約数ペア:

[(1, 81519334), (2, 40759667), (13, 6270718), (26, 3135359), (971, 83954), (1942, 41977), (3229, 25246), (6458, 12623)]