51278045

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 76204800

約数和(自身を除く): 24926755

約数列:

[1, 5, 7, 13, 35, 65, 91, 251, 449, 455, 1255, 1757, 2245, 3143, 3263, 5837, 8785, 15715, 16315, 22841, 29185, 40859, 112699, 114205, 204295, 563495, 788893, 1465087, 3944465, 7325435, 10255609, 51278045]

約数ペア:

[(1, 51278045), (5, 10255609), (7, 7325435), (13, 3944465), (35, 1465087), (65, 788893), (91, 563495), (251, 204295), (449, 114205), (455, 112699), (1255, 40859), (1757, 29185), (2245, 22841), (3143, 16315), (3263, 15715), (5837, 8785)]