641425278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{265271}}^1$

素因数の和:265320

約数の個数: 32

約数和(自身を含む): 1426102272

約数和(自身を除く): 784676994

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 265271, 530542, 795813, 1591626, 3448523, 6897046, 8223401, 10345569, 16446802, 20691138, 24670203, 49340406, 106904213, 213808426, 320712639, 641425278]

約数ペア:

[(1, 641425278), (2, 320712639), (3, 213808426), (6, 106904213), (13, 49340406), (26, 24670203), (31, 20691138), (39, 16446802), (62, 10345569), (78, 8223401), (93, 6897046), (186, 3448523), (403, 1591626), (806, 795813), (1209, 530542), (2418, 265271)]