90777895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1481}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 125483904

約数和(自身を除く): 34706009

約数列:

[1, 5, 13, 23, 41, 65, 115, 205, 299, 533, 943, 1481, 1495, 2665, 4715, 7405, 12259, 19253, 34063, 60721, 61295, 96265, 170315, 303605, 442819, 789373, 1396583, 2214095, 3946865, 6982915, 18155579, 90777895]

約数ペア:

[(1, 90777895), (5, 18155579), (13, 6982915), (23, 3946865), (41, 2214095), (65, 1396583), (115, 789373), (205, 442819), (299, 303605), (533, 170315), (943, 96265), (1481, 61295), (1495, 60721), (2665, 34063), (4715, 19253), (7405, 12259)]