639257974628

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{56651717}}^1$

素因数の和:56651772

約数の個数: 48

約数和(自身を含む): 1421278301184

約数和(自身を除く): 782020326556

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 56651717, 113303434, 226606868, 396562019, 736472321, 793124038, 1472944642, 1586248076, 1756203227, 2945889284, 3512406454, 5155306247, 7024812908, 10310612494, 12293422589, 20621224988, 22830641951, 24586845178, 45661283902, 49173690356, 91322567804, 159814493657, 319628987314, 639257974628]

約数ペア:

[(1, 639257974628), (2, 319628987314), (4, 159814493657), (7, 91322567804), (13, 49173690356), (14, 45661283902), (26, 24586845178), (28, 22830641951), (31, 20621224988), (52, 12293422589), (62, 10310612494), (91, 7024812908), (124, 5155306247), (182, 3512406454), (217, 2945889284), (364, 1756203227), (403, 1586248076), (434, 1472944642), (806, 793124038), (868, 736472321), (1612, 396562019), (2821, 226606868), (5642, 113303434), (11284, 56651717)]