520477321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10853}}^1$

素因数の和:10921

約数の個数: 32

約数和(自身を含む): 700213248

約数和(自身を除く): 179735927

約数列:

[1, 7, 13, 17, 31, 91, 119, 217, 221, 403, 527, 1547, 2821, 3689, 6851, 10853, 47957, 75971, 141089, 184501, 336443, 987623, 1291507, 2355101, 2398513, 4373759, 5719531, 16789591, 30616313, 40036717, 74353903, 520477321]

約数ペア:

[(1, 520477321), (7, 74353903), (13, 40036717), (17, 30616313), (31, 16789591), (91, 5719531), (119, 4373759), (217, 2398513), (221, 2355101), (403, 1291507), (527, 987623), (1547, 336443), (2821, 184501), (3689, 141089), (6851, 75971), (10853, 47957)]