289926910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{318601}}^1$

素因数の和:318628

約数の個数: 32

約数和(自身を含む): 642301632

約数和(自身を除く): 352374722

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 318601, 637202, 1593005, 2230207, 3186010, 4141813, 4460414, 8283626, 11151035, 20709065, 22302070, 28992691, 41418130, 57985382, 144963455, 289926910]

約数ペア:

[(1, 289926910), (2, 144963455), (5, 57985382), (7, 41418130), (10, 28992691), (13, 22302070), (14, 20709065), (26, 11151035), (35, 8283626), (65, 4460414), (70, 4141813), (91, 3186010), (130, 2230207), (182, 1593005), (455, 637202), (910, 318601)]