2556988

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 5483520

約数和(自身を除く): 2926532

約数列:

[1, 2, 4, 7, 14, 28, 29, 47, 58, 67, 94, 116, 134, 188, 203, 268, 329, 406, 469, 658, 812, 938, 1316, 1363, 1876, 1943, 2726, 3149, 3886, 5452, 6298, 7772, 9541, 12596, 13601, 19082, 22043, 27202, 38164, 44086, 54404, 88172, 91321, 182642, 365284, 639247, 1278494, 2556988]

約数ペア:

[(1, 2556988), (2, 1278494), (4, 639247), (7, 365284), (14, 182642), (28, 91321), (29, 88172), (47, 54404), (58, 44086), (67, 38164), (94, 27202), (116, 22043), (134, 19082), (188, 13601), (203, 12596), (268, 9541), (329, 7772), (406, 6298), (469, 5452), (658, 3886), (812, 3149), (938, 2726), (1316, 1943), (1363, 1876)]