28897715

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1597}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 44181504

約数和(自身を除く): 15283789

約数列:

[1, 5, 7, 11, 35, 47, 55, 77, 235, 329, 385, 517, 1597, 1645, 2585, 3619, 7985, 11179, 17567, 18095, 55895, 75059, 87835, 122969, 375295, 525413, 614845, 825649, 2627065, 4128245, 5779543, 28897715]

約数ペア:

[(1, 28897715), (5, 5779543), (7, 4128245), (11, 2627065), (35, 825649), (47, 614845), (55, 525413), (77, 375295), (235, 122969), (329, 87835), (385, 75059), (517, 55895), (1597, 18095), (1645, 17567), (2585, 11179), (3619, 7985)]