31722172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 62244000

約数和(自身を除く): 30521828

約数列:

[1, 2, 4, 19, 29, 37, 38, 58, 74, 76, 116, 148, 389, 551, 703, 778, 1073, 1102, 1406, 1556, 2146, 2204, 2812, 4292, 7391, 11281, 14393, 14782, 20387, 22562, 28786, 29564, 40774, 45124, 57572, 81548, 214339, 273467, 417397, 428678, 546934, 834794, 857356, 1093868, 1669588, 7930543, 15861086, 31722172]

約数ペア:

[(1, 31722172), (2, 15861086), (4, 7930543), (19, 1669588), (29, 1093868), (37, 857356), (38, 834794), (58, 546934), (74, 428678), (76, 417397), (116, 273467), (148, 214339), (389, 81548), (551, 57572), (703, 45124), (778, 40774), (1073, 29564), (1102, 28786), (1406, 22562), (1556, 20387), (2146, 14782), (2204, 14393), (2812, 11281), (4292, 7391)]