128003772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{820537}}^1$

素因数の和:820557

約数の個数: 24

約数和(自身を含む): 321650896

約数和(自身を除く): 193647124

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 820537, 1641074, 2461611, 3282148, 4923222, 9846444, 10666981, 21333962, 32000943, 42667924, 64001886, 128003772]

約数ペア:

[(1, 128003772), (2, 64001886), (3, 42667924), (4, 32000943), (6, 21333962), (12, 10666981), (13, 9846444), (26, 4923222), (39, 3282148), (52, 2461611), (78, 1641074), (156, 820537)]