1998889767

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 3592802304

約数和(自身を除く): 1593912537

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 71, 97, 119, 153, 213, 271, 291, 357, 497, 639, 679, 813, 873, 1071, 1207, 1491, 1649, 1897, 2037, 2439, 3621, 4473, 4607, 4947, 5691, 6111, 6887, 8449, 10863, 11543, 13821, 14841, 17073, 19241, 20661, 25347, 26287, 32249, 34629, 41463, 48209, 57723, 61983, 76041, 78861, 96747, 103887, 117079, 134687, 144627, 173169, 184009, 236583, 290241, 327097, 351237, 404061, 433881, 446879, 552027, 819553, 981291, 1053711, 1212183, 1340637, 1656081, 1866377, 2289679, 2458659, 2943873, 3128153, 4021911, 5599131, 6869037, 7375977, 9384459, 13064639, 16797393, 20607111, 28153377, 31728409, 39193917, 95185227, 117581751, 222098863, 285555681, 666296589, 1998889767]

約数ペア:

[(1, 1998889767), (3, 666296589), (7, 285555681), (9, 222098863), (17, 117581751), (21, 95185227), (51, 39193917), (63, 31728409), (71, 28153377), (97, 20607111), (119, 16797393), (153, 13064639), (213, 9384459), (271, 7375977), (291, 6869037), (357, 5599131), (497, 4021911), (639, 3128153), (679, 2943873), (813, 2458659), (873, 2289679), (1071, 1866377), (1207, 1656081), (1491, 1340637), (1649, 1212183), (1897, 1053711), (2037, 981291), (2439, 819553), (3621, 552027), (4473, 446879), (4607, 433881), (4947, 404061), (5691, 351237), (6111, 327097), (6887, 290241), (8449, 236583), (10863, 184009), (11543, 173169), (13821, 144627), (14841, 134687), (17073, 117079), (19241, 103887), (20661, 96747), (25347, 78861), (26287, 76041), (32249, 61983), (34629, 57723), (41463, 48209)]