639999648

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{116959}}^1$

素因数の和:116994

約数の個数: 72

約数和(自身を含む): 1915804800

約数和(自身を除く): 1275805152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 5472, 116959, 233918, 350877, 467836, 701754, 935672, 1052631, 1403508, 1871344, 2105262, 2222221, 2807016, 3742688, 4210524, 4444442, 5614032, 6666663, 8421048, 8888884, 11228064, 13333326, 16842096, 17777768, 19999989, 26666652, 33684192, 35555536, 39999978, 53333304, 71111072, 79999956, 106666608, 159999912, 213333216, 319999824, 639999648]

約数ペア:

[(1, 639999648), (2, 319999824), (3, 213333216), (4, 159999912), (6, 106666608), (8, 79999956), (9, 71111072), (12, 53333304), (16, 39999978), (18, 35555536), (19, 33684192), (24, 26666652), (32, 19999989), (36, 17777768), (38, 16842096), (48, 13333326), (57, 11228064), (72, 8888884), (76, 8421048), (96, 6666663), (114, 5614032), (144, 4444442), (152, 4210524), (171, 3742688), (228, 2807016), (288, 2222221), (304, 2105262), (342, 1871344), (456, 1403508), (608, 1052631), (684, 935672), (912, 701754), (1368, 467836), (1824, 350877), (2736, 233918), (5472, 116959)]