64122895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 84369600

約数和(自身を除く): 20246705

約数列:

[1, 5, 17, 61, 83, 85, 149, 305, 415, 745, 1037, 1411, 2533, 5063, 5185, 7055, 9089, 12367, 12665, 25315, 45445, 61835, 86071, 154513, 210239, 430355, 754387, 772565, 1051195, 3771935, 12824579, 64122895]

約数ペア:

[(1, 64122895), (5, 12824579), (17, 3771935), (61, 1051195), (83, 772565), (85, 754387), (149, 430355), (305, 210239), (415, 154513), (745, 86071), (1037, 61835), (1411, 45445), (2533, 25315), (5063, 12665), (5185, 12367), (7055, 9089)]