2897221808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{449321}}^1$

素因数の和:449373

約数の個数: 40

約数和(自身を含む): 6240183936

約数和(自身を除く): 3342962128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 449321, 898642, 1797284, 3594568, 5841173, 7189136, 11682346, 13928951, 23364692, 27857902, 46729384, 55715804, 93458768, 111431608, 181076363, 222863216, 362152726, 724305452, 1448610904, 2897221808]

約数ペア:

[(1, 2897221808), (2, 1448610904), (4, 724305452), (8, 362152726), (13, 222863216), (16, 181076363), (26, 111431608), (31, 93458768), (52, 55715804), (62, 46729384), (104, 27857902), (124, 23364692), (208, 13928951), (248, 11682346), (403, 7189136), (496, 5841173), (806, 3594568), (1612, 1797284), (3224, 898642), (6448, 449321)]