245220305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{73091}}^1$

素因数の和:73168

約数の個数: 16

約数和(自身を含む): 326282688

約数和(自身を除く): 81062383

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 73091, 365455, 804001, 4020005, 4458551, 22292755, 49044061, 245220305]

約数ペア:

[(1, 245220305), (5, 49044061), (11, 22292755), (55, 4458551), (61, 4020005), (305, 804001), (671, 365455), (3355, 73091)]