81906306

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 179625600

約数和(自身を除く): 97719294

約数列:

[1, 2, 3, 6, 17, 34, 51, 53, 102, 106, 109, 139, 159, 218, 278, 318, 327, 417, 654, 834, 901, 1802, 1853, 2363, 2703, 3706, 4726, 5406, 5559, 5777, 7089, 7367, 11118, 11554, 14178, 14734, 15151, 17331, 22101, 30302, 34662, 44202, 45453, 90906, 98209, 125239, 196418, 250478, 257567, 294627, 375717, 515134, 589254, 751434, 772701, 803003, 1545402, 1606006, 2409009, 4818018, 13651051, 27302102, 40953153, 81906306]

約数ペア:

[(1, 81906306), (2, 40953153), (3, 27302102), (6, 13651051), (17, 4818018), (34, 2409009), (51, 1606006), (53, 1545402), (102, 803003), (106, 772701), (109, 751434), (139, 589254), (159, 515134), (218, 375717), (278, 294627), (318, 257567), (327, 250478), (417, 196418), (654, 125239), (834, 98209), (901, 90906), (1802, 45453), (1853, 44202), (2363, 34662), (2703, 30302), (3706, 22101), (4726, 17331), (5406, 15151), (5559, 14734), (5777, 14178), (7089, 11554), (7367, 11118)]