28921698

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:501

約数の個数: 80

約数和(自身を含む): 72205056

約数和(自身を除く): 43283358

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 81, 93, 117, 162, 186, 234, 279, 351, 403, 443, 558, 702, 806, 837, 886, 1053, 1209, 1329, 1674, 2106, 2418, 2511, 2658, 3627, 3987, 5022, 5759, 7254, 7974, 10881, 11518, 11961, 13733, 17277, 21762, 23922, 27466, 32643, 34554, 35883, 41199, 51831, 65286, 71766, 82398, 103662, 123597, 155493, 178529, 247194, 310986, 357058, 370791, 466479, 535587, 741582, 932958, 1071174, 1112373, 1606761, 2224746, 3213522, 4820283, 9640566, 14460849, 28921698]

約数ペア:

[(1, 28921698), (2, 14460849), (3, 9640566), (6, 4820283), (9, 3213522), (13, 2224746), (18, 1606761), (26, 1112373), (27, 1071174), (31, 932958), (39, 741582), (54, 535587), (62, 466479), (78, 370791), (81, 357058), (93, 310986), (117, 247194), (162, 178529), (186, 155493), (234, 123597), (279, 103662), (351, 82398), (403, 71766), (443, 65286), (558, 51831), (702, 41199), (806, 35883), (837, 34554), (886, 32643), (1053, 27466), (1209, 23922), (1329, 21762), (1674, 17277), (2106, 13733), (2418, 11961), (2511, 11518), (2658, 10881), (3627, 7974), (3987, 7254), (5022, 5759)]