28768465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 39813120

約数和(自身を除く): 11044655

約数列:

[1, 5, 11, 31, 47, 55, 155, 235, 341, 359, 517, 1457, 1705, 1795, 2585, 3949, 7285, 11129, 16027, 16873, 19745, 55645, 80135, 84365, 122419, 185603, 523063, 612095, 928015, 2615315, 5753693, 28768465]

約数ペア:

[(1, 28768465), (5, 5753693), (11, 2615315), (31, 928015), (47, 612095), (55, 523063), (155, 185603), (235, 122419), (341, 84365), (359, 80135), (517, 55645), (1457, 19745), (1705, 16873), (1795, 16027), (2585, 11129), (3949, 7285)]