65128525

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1471}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 105136128

約数和(自身を除く): 40007603

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 161, 175, 253, 275, 385, 575, 805, 1265, 1471, 1771, 1925, 4025, 6325, 7355, 8855, 10297, 16181, 33833, 36775, 44275, 51485, 80905, 113267, 169165, 236831, 257425, 372163, 404525, 566335, 845825, 1184155, 1860815, 2605141, 2831675, 5920775, 9304075, 13025705, 65128525]

約数ペア:

[(1, 65128525), (5, 13025705), (7, 9304075), (11, 5920775), (23, 2831675), (25, 2605141), (35, 1860815), (55, 1184155), (77, 845825), (115, 566335), (161, 404525), (175, 372163), (253, 257425), (275, 236831), (385, 169165), (575, 113267), (805, 80905), (1265, 51485), (1471, 44275), (1771, 36775), (1925, 33833), (4025, 16181), (6325, 10297), (7355, 8855)]