209128530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{536227}}^1$

素因数の和:536250

約数の個数: 32

約数和(自身を含む): 540517824

約数和(自身を除く): 331389294

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 536227, 1072454, 1608681, 2681135, 3217362, 5362270, 6970951, 8043405, 13941902, 16086810, 20912853, 34854755, 41825706, 69709510, 104564265, 209128530]

約数ペア:

[(1, 209128530), (2, 104564265), (3, 69709510), (5, 41825706), (6, 34854755), (10, 20912853), (13, 16086810), (15, 13941902), (26, 8043405), (30, 6970951), (39, 5362270), (65, 3217362), (78, 2681135), (130, 1608681), (195, 1072454), (390, 536227)]