207980465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 337582080

約数和(自身を除く): 129601615

約数列:

[1, 5, 7, 11, 17, 35, 43, 55, 77, 85, 119, 187, 215, 301, 385, 473, 595, 731, 739, 935, 1309, 1505, 2365, 3311, 3655, 3695, 5117, 5173, 6545, 8041, 8129, 12563, 16555, 25585, 25865, 31777, 40205, 40645, 56287, 56903, 62815, 87941, 138193, 158885, 222439, 281435, 284515, 349547, 439705, 540209, 690965, 967351, 1112195, 1747735, 2446829, 2701045, 3781463, 4836755, 5942299, 12234145, 18907315, 29711495, 41596093, 207980465]

約数ペア:

[(1, 207980465), (5, 41596093), (7, 29711495), (11, 18907315), (17, 12234145), (35, 5942299), (43, 4836755), (55, 3781463), (77, 2701045), (85, 2446829), (119, 1747735), (187, 1112195), (215, 967351), (301, 690965), (385, 540209), (473, 439705), (595, 349547), (731, 284515), (739, 281435), (935, 222439), (1309, 158885), (1505, 138193), (2365, 87941), (3311, 62815), (3655, 56903), (3695, 56287), (5117, 40645), (5173, 40205), (6545, 31777), (8041, 25865), (8129, 25585), (12563, 16555)]