81847782

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2689}}^1$

素因数の和:2805

約数の個数: 48

約数和(自身を含む): 188838000

約数和(自身を除く): 106990218

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 89, 114, 171, 178, 267, 342, 534, 801, 1602, 1691, 2689, 3382, 5073, 5378, 8067, 10146, 15219, 16134, 24201, 30438, 48402, 51091, 102182, 153273, 239321, 306546, 459819, 478642, 717963, 919638, 1435926, 2153889, 4307778, 4547099, 9094198, 13641297, 27282594, 40923891, 81847782]

約数ペア:

[(1, 81847782), (2, 40923891), (3, 27282594), (6, 13641297), (9, 9094198), (18, 4547099), (19, 4307778), (38, 2153889), (57, 1435926), (89, 919638), (114, 717963), (171, 478642), (178, 459819), (267, 306546), (342, 239321), (534, 153273), (801, 102182), (1602, 51091), (1691, 48402), (2689, 30438), (3382, 24201), (5073, 16134), (5378, 15219), (8067, 10146)]