639875594

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{1087}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 1022754816

約数和(自身を除く): 382879222

約数列:

[1, 2, 23, 46, 67, 134, 191, 382, 1087, 1541, 2174, 3082, 4393, 8786, 12797, 25001, 25594, 50002, 72829, 145658, 207617, 294331, 415234, 588662, 1675067, 3350134, 4775191, 9550382, 13910339, 27820678, 319937797, 639875594]

約数ペア:

[(1, 639875594), (2, 319937797), (23, 27820678), (46, 13910339), (67, 9550382), (134, 4775191), (191, 3350134), (382, 1675067), (1087, 588662), (1541, 415234), (2174, 294331), (3082, 207617), (4393, 145658), (8786, 72829), (12797, 50002), (25001, 25594)]