28785526

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 56899584

約数和(自身を除く): 28114058

約数列:

[1, 2, 7, 11, 14, 22, 41, 47, 77, 82, 94, 97, 154, 194, 287, 329, 451, 517, 574, 658, 679, 902, 1034, 1067, 1358, 1927, 2134, 3157, 3619, 3854, 3977, 4559, 6314, 7238, 7469, 7954, 9118, 13489, 14938, 21197, 26978, 27839, 31913, 42394, 43747, 50149, 55678, 63826, 87494, 100298, 148379, 186919, 296758, 306229, 351043, 373838, 612458, 702086, 1308433, 2056109, 2616866, 4112218, 14392763, 28785526]

約数ペア:

[(1, 28785526), (2, 14392763), (7, 4112218), (11, 2616866), (14, 2056109), (22, 1308433), (41, 702086), (47, 612458), (77, 373838), (82, 351043), (94, 306229), (97, 296758), (154, 186919), (194, 148379), (287, 100298), (329, 87494), (451, 63826), (517, 55678), (574, 50149), (658, 43747), (679, 42394), (902, 31913), (1034, 27839), (1067, 26978), (1358, 21197), (1927, 14938), (2134, 13489), (3157, 9118), (3619, 7954), (3854, 7469), (3977, 7238), (4559, 6314)]