647367049

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 774660096

約数和(自身を除く): 127293047

約数列:

[1, 7, 47, 83, 151, 157, 329, 581, 1057, 1099, 3901, 7097, 7379, 12533, 13031, 23707, 27307, 49679, 51653, 87731, 91217, 165949, 589051, 612457, 1114229, 1967681, 4123357, 4287199, 7799603, 13773767, 92481007, 647367049]

約数ペア:

[(1, 647367049), (7, 92481007), (47, 13773767), (83, 7799603), (151, 4287199), (157, 4123357), (329, 1967681), (581, 1114229), (1057, 612457), (1099, 589051), (3901, 165949), (7097, 91217), (7379, 87731), (12533, 51653), (13031, 49679), (23707, 27307)]