28390320959

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2819}}^1\times {\mathrm{10061}}^1$

素因数の和:12911

約数の個数: 32

約数和(自身を含む): 38135784960

約数和(自身を除く): 9745464001

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 2819, 10061, 19733, 31009, 36647, 70427, 110671, 130793, 217063, 256529, 403117, 774697, 915551, 1438723, 2821819, 10071061, 28361959, 198533713, 311981549, 368705467, 2183870843, 2580938269, 4055760137, 28390320959]

約数ペア:

[(1, 28390320959), (7, 4055760137), (11, 2580938269), (13, 2183870843), (77, 368705467), (91, 311981549), (143, 198533713), (1001, 28361959), (2819, 10071061), (10061, 2821819), (19733, 1438723), (31009, 915551), (36647, 774697), (70427, 403117), (110671, 256529), (130793, 217063)]