728527415

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2837}}^1$

素因数の和:2912

約数の個数: 64

約数和(自身を含む): 1176975360

約数和(自身を除く): 448447945

約数列:

[1, 5, 7, 11, 23, 29, 35, 55, 77, 115, 145, 161, 203, 253, 319, 385, 667, 805, 1015, 1265, 1595, 1771, 2233, 2837, 3335, 4669, 7337, 8855, 11165, 14185, 19859, 23345, 31207, 36685, 51359, 65251, 82273, 99295, 156035, 218449, 256795, 326255, 411365, 456757, 575911, 717761, 905003, 1092245, 1892279, 2283785, 2879555, 3588805, 4525015, 5024327, 6335021, 9461395, 13245953, 20815069, 25121635, 31675105, 66229765, 104075345, 145705483, 728527415]

約数ペア:

[(1, 728527415), (5, 145705483), (7, 104075345), (11, 66229765), (23, 31675105), (29, 25121635), (35, 20815069), (55, 13245953), (77, 9461395), (115, 6335021), (145, 5024327), (161, 4525015), (203, 3588805), (253, 2879555), (319, 2283785), (385, 1892279), (667, 1092245), (805, 905003), (1015, 717761), (1265, 575911), (1595, 456757), (1771, 411365), (2233, 326255), (2837, 256795), (3335, 218449), (4669, 156035), (7337, 99295), (8855, 82273), (11165, 65251), (14185, 51359), (19859, 36685), (23345, 31207)]