66875215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 91994112

約数和(自身を除く): 25118897

約数列:

[1, 5, 11, 31, 55, 61, 155, 305, 341, 643, 671, 1705, 1891, 3215, 3355, 7073, 9455, 19933, 20801, 35365, 39223, 99665, 104005, 196115, 219263, 431453, 1096315, 1215913, 2157265, 6079565, 13375043, 66875215]

約数ペア:

[(1, 66875215), (5, 13375043), (11, 6079565), (31, 2157265), (55, 1215913), (61, 1096315), (155, 431453), (305, 219263), (341, 196115), (643, 104005), (671, 99665), (1705, 39223), (1891, 35365), (3215, 20801), (3355, 19933), (7073, 9455)]