28315795

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 10175405

約数列:

[1, 5, 17, 19, 85, 89, 95, 197, 323, 445, 985, 1513, 1615, 1691, 3349, 3743, 7565, 8455, 16745, 17533, 18715, 28747, 63631, 87665, 143735, 298061, 318155, 333127, 1490305, 1665635, 5663159, 28315795]

約数ペア:

[(1, 28315795), (5, 5663159), (17, 1665635), (19, 1490305), (85, 333127), (89, 318155), (95, 298061), (197, 143735), (323, 87665), (445, 63631), (985, 28747), (1513, 18715), (1615, 17533), (1691, 16745), (3349, 8455), (3743, 7565)]