320486556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{66271}}^1$

素因数の和:66322

約数の個数: 48

約数和(自身を含む): 831315968

約数和(自身を除く): 510829412

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4836, 66271, 132542, 198813, 265084, 397626, 795252, 861523, 1723046, 2054401, 2584569, 3446092, 4108802, 5169138, 6163203, 8217604, 10338276, 12326406, 24652812, 26707213, 53414426, 80121639, 106828852, 160243278, 320486556]

約数ペア:

[(1, 320486556), (2, 160243278), (3, 106828852), (4, 80121639), (6, 53414426), (12, 26707213), (13, 24652812), (26, 12326406), (31, 10338276), (39, 8217604), (52, 6163203), (62, 5169138), (78, 4108802), (93, 3446092), (124, 2584569), (156, 2054401), (186, 1723046), (372, 861523), (403, 795252), (806, 397626), (1209, 265084), (1612, 198813), (2418, 132542), (4836, 66271)]