28944625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 39121056

約数和(自身を除く): 10176431

約数列:

[1, 5, 17, 25, 53, 85, 125, 257, 265, 425, 901, 1285, 1325, 2125, 4369, 4505, 6425, 6625, 13621, 21845, 22525, 32125, 68105, 109225, 112625, 231557, 340525, 546125, 1157785, 1702625, 5788925, 28944625]

約数ペア:

[(1, 28944625), (5, 5788925), (17, 1702625), (25, 1157785), (53, 546125), (85, 340525), (125, 231557), (257, 112625), (265, 109225), (425, 68105), (901, 32125), (1285, 22525), (1325, 21845), (2125, 13621), (4369, 6625), (4505, 6425)]