661328305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 951782400

約数和(自身を除く): 290454095

約数列:

[1, 5, 11, 17, 47, 55, 85, 101, 149, 187, 235, 505, 517, 745, 799, 935, 1111, 1639, 1717, 2533, 2585, 3995, 4747, 5555, 7003, 8195, 8585, 8789, 12665, 15049, 18887, 23735, 27863, 35015, 43945, 52217, 75245, 77033, 80699, 94435, 119051, 139315, 165539, 255833, 261085, 385165, 403495, 595255, 707303, 827695, 887689, 1279165, 1309561, 2814163, 3536515, 4438445, 6547805, 7780333, 12024151, 14070815, 38901665, 60120755, 132265661, 661328305]

約数ペア:

[(1, 661328305), (5, 132265661), (11, 60120755), (17, 38901665), (47, 14070815), (55, 12024151), (85, 7780333), (101, 6547805), (149, 4438445), (187, 3536515), (235, 2814163), (505, 1309561), (517, 1279165), (745, 887689), (799, 827695), (935, 707303), (1111, 595255), (1639, 403495), (1717, 385165), (2533, 261085), (2585, 255833), (3995, 165539), (4747, 139315), (5555, 119051), (7003, 94435), (8195, 80699), (8585, 77033), (8789, 75245), (12665, 52217), (15049, 43945), (18887, 35015), (23735, 27863)]