2013129378

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^2$

素因数の和:640

約数の個数: 72

約数和(自身を含む): 4745734812

約数和(自身を除く): 2732605434

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 173, 223, 234, 346, 446, 519, 669, 1038, 1338, 1557, 2007, 2249, 2899, 3114, 4014, 4498, 5798, 6747, 8697, 13494, 17394, 20241, 26091, 38579, 40482, 49729, 52182, 77158, 99458, 115737, 149187, 231474, 298374, 347211, 447561, 501527, 646477, 694422, 895122, 1003054, 1292954, 1504581, 1939431, 3009162, 3878862, 4513743, 5818293, 8603117, 9027486, 11636586, 17206234, 25809351, 51618702, 77428053, 111840521, 154856106, 223681042, 335521563, 671043126, 1006564689, 2013129378]

約数ペア:

[(1, 2013129378), (2, 1006564689), (3, 671043126), (6, 335521563), (9, 223681042), (13, 154856106), (18, 111840521), (26, 77428053), (39, 51618702), (78, 25809351), (117, 17206234), (173, 11636586), (223, 9027486), (234, 8603117), (346, 5818293), (446, 4513743), (519, 3878862), (669, 3009162), (1038, 1939431), (1338, 1504581), (1557, 1292954), (2007, 1003054), (2249, 895122), (2899, 694422), (3114, 646477), (4014, 501527), (4498, 447561), (5798, 347211), (6747, 298374), (8697, 231474), (13494, 149187), (17394, 115737), (20241, 99458), (26091, 77158), (38579, 52182), (40482, 49729)]