28723506

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 71020800

約数和(自身を除く): 42297294

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 294, 343, 357, 686, 714, 821, 833, 1029, 1642, 1666, 2058, 2463, 2499, 4926, 4998, 5747, 5831, 11494, 11662, 13957, 17241, 17493, 27914, 34482, 34986, 40229, 41871, 80458, 83742, 97699, 120687, 195398, 241374, 281603, 293097, 563206, 586194, 683893, 844809, 1367786, 1689618, 2051679, 4103358, 4787251, 9574502, 14361753, 28723506]

約数ペア:

[(1, 28723506), (2, 14361753), (3, 9574502), (6, 4787251), (7, 4103358), (14, 2051679), (17, 1689618), (21, 1367786), (34, 844809), (42, 683893), (49, 586194), (51, 563206), (98, 293097), (102, 281603), (119, 241374), (147, 195398), (238, 120687), (294, 97699), (343, 83742), (357, 80458), (686, 41871), (714, 40229), (821, 34986), (833, 34482), (1029, 27914), (1642, 17493), (1666, 17241), (2058, 13957), (2463, 11662), (2499, 11494), (4926, 5831), (4998, 5747)]