64809745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 109154304

約数和(自身を除く): 44344559

約数列:

[1, 5, 7, 11, 13, 23, 35, 55, 65, 77, 91, 115, 143, 161, 253, 299, 385, 455, 563, 715, 805, 1001, 1265, 1495, 1771, 2093, 2815, 3289, 3941, 5005, 6193, 7319, 8855, 10465, 12949, 16445, 19705, 23023, 30965, 36595, 43351, 51233, 64745, 80509, 90643, 115115, 142439, 168337, 216755, 256165, 402545, 453215, 563563, 712195, 841685, 997073, 1178359, 1851707, 2817815, 4985365, 5891795, 9258535, 12961949, 64809745]

約数ペア:

[(1, 64809745), (5, 12961949), (7, 9258535), (11, 5891795), (13, 4985365), (23, 2817815), (35, 1851707), (55, 1178359), (65, 997073), (77, 841685), (91, 712195), (115, 563563), (143, 453215), (161, 402545), (253, 256165), (299, 216755), (385, 168337), (455, 142439), (563, 115115), (715, 90643), (805, 80509), (1001, 64745), (1265, 51233), (1495, 43351), (1771, 36595), (2093, 30965), (2815, 23023), (3289, 19705), (3941, 16445), (5005, 12949), (6193, 10465), (7319, 8855)]