1649291215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 2406039552

約数和(自身を除く): 756748337

約数列:

[1, 5, 11, 13, 41, 55, 65, 127, 143, 205, 443, 451, 533, 635, 715, 1397, 1651, 2215, 2255, 2665, 4873, 5207, 5759, 5863, 6985, 8255, 18161, 18163, 24365, 26035, 28795, 29315, 56261, 57277, 63349, 67691, 90805, 90815, 199793, 236119, 281305, 286385, 316745, 338455, 618871, 731393, 744601, 998965, 1180595, 2306701, 2597309, 3094355, 3656965, 3723005, 8045323, 11533505, 12986545, 25373711, 29987113, 40226615, 126868555, 149935565, 329858243, 1649291215]

約数ペア:

[(1, 1649291215), (5, 329858243), (11, 149935565), (13, 126868555), (41, 40226615), (55, 29987113), (65, 25373711), (127, 12986545), (143, 11533505), (205, 8045323), (443, 3723005), (451, 3656965), (533, 3094355), (635, 2597309), (715, 2306701), (1397, 1180595), (1651, 998965), (2215, 744601), (2255, 731393), (2665, 618871), (4873, 338455), (5207, 316745), (5759, 286385), (5863, 281305), (6985, 236119), (8255, 199793), (18161, 90815), (18163, 90805), (24365, 67691), (26035, 63349), (28795, 57277), (29315, 56261)]