1213361885

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1\times {\mathrm{18637}}^1$

素因数の和:19120

約数の個数: 16

約数和(自身を含む): 1509678000

約数和(自身を除く): 296316115

約数列:

[1, 5, 29, 145, 449, 2245, 13021, 18637, 65105, 93185, 540473, 2702365, 8368013, 41840065, 242672377, 1213361885]

約数ペア:

[(1, 1213361885), (5, 242672377), (29, 41840065), (145, 8368013), (449, 2702365), (2245, 540473), (13021, 93185), (18637, 65105)]