138481278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{57271}}^1$

素因数の和:57320

約数の個数: 32

約数和(自身を含む): 307894272

約数和(自身を除く): 169412994

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 57271, 114542, 171813, 343626, 744523, 1489046, 1775401, 2233569, 3550802, 4467138, 5326203, 10652406, 23080213, 46160426, 69240639, 138481278]

約数ペア:

[(1, 138481278), (2, 69240639), (3, 46160426), (6, 23080213), (13, 10652406), (26, 5326203), (31, 4467138), (39, 3550802), (62, 2233569), (78, 1775401), (93, 1489046), (186, 744523), (403, 343626), (806, 171813), (1209, 114542), (2418, 57271)]