1620232705

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{23899}}^1$

素因数の和:24073

約数の個数: 32

約数和(自身を含む): 2409120000

約数和(自身を除く): 788887295

約数列:

[1, 5, 7, 13, 35, 65, 91, 149, 455, 745, 1043, 1937, 5215, 9685, 13559, 23899, 67795, 119495, 167293, 310687, 836465, 1553435, 2174809, 3560951, 10874045, 17804755, 24926657, 46292363, 124633285, 231461815, 324046541, 1620232705]

約数ペア:

[(1, 1620232705), (5, 324046541), (7, 231461815), (13, 124633285), (35, 46292363), (65, 24926657), (91, 17804755), (149, 10874045), (455, 3560951), (745, 2174809), (1043, 1553435), (1937, 836465), (5215, 310687), (9685, 167293), (13559, 119495), (23899, 67795)]