1285807768

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{389167}}^1$

素因数の和:389239

約数の個数: 32

約数和(自身を含む): 2802009600

約数和(自身を除く): 1516201832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 413, 472, 826, 1652, 3304, 389167, 778334, 1556668, 2724169, 3113336, 5448338, 10896676, 21793352, 22960853, 45921706, 91843412, 160725971, 183686824, 321451942, 642903884, 1285807768]

約数ペア:

[(1, 1285807768), (2, 642903884), (4, 321451942), (7, 183686824), (8, 160725971), (14, 91843412), (28, 45921706), (56, 22960853), (59, 21793352), (118, 10896676), (236, 5448338), (413, 3113336), (472, 2724169), (826, 1556668), (1652, 778334), (3304, 389167)]