289920862

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{7877}}^1$

素因数の和:8136

約数の個数: 32

約数和(自身を含む): 544527360

約数和(自身を除く): 254606498

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 239, 478, 1673, 2629, 3346, 5258, 7877, 15754, 18403, 36806, 55139, 86647, 110278, 173294, 606529, 1213058, 1882603, 3765206, 13178221, 20708633, 26356442, 41417266, 144960431, 289920862]

約数ペア:

[(1, 289920862), (2, 144960431), (7, 41417266), (11, 26356442), (14, 20708633), (22, 13178221), (77, 3765206), (154, 1882603), (239, 1213058), (478, 606529), (1673, 173294), (2629, 110278), (3346, 86647), (5258, 55139), (7877, 36806), (15754, 18403)]