51815855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2423}}^1$

素因数の和:2495

約数の個数: 32

約数和(自身を含む): 78188544

約数和(自身を除く): 26372689

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 1645, 2423, 3055, 4277, 12115, 16961, 21385, 31499, 84805, 113881, 157495, 220493, 569405, 797167, 1102465, 1480453, 3985835, 7402265, 10363171, 51815855]

約数ペア:

[(1, 51815855), (5, 10363171), (7, 7402265), (13, 3985835), (35, 1480453), (47, 1102465), (65, 797167), (91, 569405), (235, 220493), (329, 157495), (455, 113881), (611, 84805), (1645, 31499), (2423, 21385), (3055, 16961), (4277, 12115)]