61520705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 81285120

約数和(自身を除く): 19764415

約数列:

[1, 5, 17, 41, 85, 127, 139, 205, 635, 695, 697, 2159, 2363, 3485, 5207, 5699, 10795, 11815, 17653, 26035, 28495, 88265, 88519, 96883, 300101, 442595, 484415, 723773, 1500505, 3618865, 12304141, 61520705]

約数ペア:

[(1, 61520705), (5, 12304141), (17, 3618865), (41, 1500505), (85, 723773), (127, 484415), (139, 442595), (205, 300101), (635, 96883), (695, 88519), (697, 88265), (2159, 28495), (2363, 26035), (3485, 17653), (5207, 11815), (5699, 10795)]