64438648

素因数分解:

$2^3\times {\mathrm{821}}^1\times {\mathrm{9811}}^1$

素因数の和:10638

約数の個数: 16

約数和(自身を含む): 120981960

約数和(自身を除く): 56543312

約数列:

[1, 2, 4, 8, 821, 1642, 3284, 6568, 9811, 19622, 39244, 78488, 8054831, 16109662, 32219324, 64438648]

約数ペア:

[(1, 64438648), (2, 32219324), (4, 16109662), (8, 8054831), (821, 78488), (1642, 39244), (3284, 19622), (6568, 9811)]