388753072

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{1759}}^1$

素因数の和:2513

約数の個数: 40

約数和(自身を含む): 794393600

約数和(自身を除く): 405640528

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 727, 1454, 1759, 2908, 3518, 5816, 7036, 11632, 13813, 14072, 27626, 28144, 33421, 55252, 66842, 110504, 133684, 221008, 267368, 534736, 1278793, 2557586, 5115172, 10230344, 20460688, 24297067, 48594134, 97188268, 194376536, 388753072]

約数ペア:

[(1, 388753072), (2, 194376536), (4, 97188268), (8, 48594134), (16, 24297067), (19, 20460688), (38, 10230344), (76, 5115172), (152, 2557586), (304, 1278793), (727, 534736), (1454, 267368), (1759, 221008), (2908, 133684), (3518, 110504), (5816, 66842), (7036, 55252), (11632, 33421), (13813, 28144), (14072, 27626)]