389074530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{997627}}^1$

素因数の和:997650

約数の個数: 32

約数和(自身を含む): 1005609024

約数和(自身を除く): 616534494

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 997627, 1995254, 2992881, 4988135, 5985762, 9976270, 12969151, 14964405, 25938302, 29928810, 38907453, 64845755, 77814906, 129691510, 194537265, 389074530]

約数ペア:

[(1, 389074530), (2, 194537265), (3, 129691510), (5, 77814906), (6, 64845755), (10, 38907453), (13, 29928810), (15, 25938302), (26, 14964405), (30, 12969151), (39, 9976270), (65, 5985762), (78, 4988135), (130, 2992881), (195, 1995254), (390, 997627)]