2155111996

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{449}}^1\times {\mathrm{7643}}^1$

素因数の和:8253

約数の個数: 24

約数和(自身を含む): 3804418800

約数和(自身を除く): 1649306804

約数列:

[1, 2, 4, 157, 314, 449, 628, 898, 1796, 7643, 15286, 30572, 70493, 140986, 281972, 1199951, 2399902, 3431707, 4799804, 6863414, 13726828, 538777999, 1077555998, 2155111996]

約数ペア:

[(1, 2155111996), (2, 1077555998), (4, 538777999), (157, 13726828), (314, 6863414), (449, 4799804), (628, 3431707), (898, 2399902), (1796, 1199951), (7643, 281972), (15286, 140986), (30572, 70493)]