2021931728

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{65579}}^1$

素因数の和:65675

約数の個数: 40

約数和(自身を含む): 4098487680

約数和(自身を除く): 2076555952

約数列:

[1, 2, 4, 8, 16, 41, 47, 82, 94, 164, 188, 328, 376, 656, 752, 1927, 3854, 7708, 15416, 30832, 65579, 131158, 262316, 524632, 1049264, 2688739, 3082213, 5377478, 6164426, 10754956, 12328852, 21509912, 24657704, 43019824, 49315408, 126370733, 252741466, 505482932, 1010965864, 2021931728]

約数ペア:

[(1, 2021931728), (2, 1010965864), (4, 505482932), (8, 252741466), (16, 126370733), (41, 49315408), (47, 43019824), (82, 24657704), (94, 21509912), (164, 12328852), (188, 10754956), (328, 6164426), (376, 5377478), (656, 3082213), (752, 2688739), (1927, 1049264), (3854, 524632), (7708, 262316), (15416, 131158), (30832, 65579)]