425644986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{20749}}^1$

素因数の和:21030

約数の個数: 32

約数和(自身を含む): 920304000

約数和(自身を除く): 494659014

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263, 526, 789, 1578, 3419, 6838, 10257, 20514, 20749, 41498, 62247, 124494, 269737, 539474, 809211, 1618422, 5456987, 10913974, 16370961, 32741922, 70940831, 141881662, 212822493, 425644986]

約数ペア:

[(1, 425644986), (2, 212822493), (3, 141881662), (6, 70940831), (13, 32741922), (26, 16370961), (39, 10913974), (78, 5456987), (263, 1618422), (526, 809211), (789, 539474), (1578, 269737), (3419, 124494), (6838, 62247), (10257, 41498), (20514, 20749)]