201640747

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2777}}^1$

素因数の和:2859

約数の個数: 32

約数和(自身を含む): 268821504

約数和(自身を除く): 67180757

約数列:

[1, 7, 11, 23, 41, 77, 161, 253, 287, 451, 943, 1771, 2777, 3157, 6601, 10373, 19439, 30547, 63871, 72611, 113857, 213829, 447097, 702581, 796999, 1252427, 2618711, 4918067, 8766989, 18330977, 28805821, 201640747]

約数ペア:

[(1, 201640747), (7, 28805821), (11, 18330977), (23, 8766989), (41, 4918067), (77, 2618711), (161, 1252427), (253, 796999), (287, 702581), (451, 447097), (943, 213829), (1771, 113857), (2777, 72611), (3157, 63871), (6601, 30547), (10373, 19439)]