291260638

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:852

約数の個数: 32

約数和(自身を含む): 469385280

約数和(自身を除く): 178124642

約数列:

[1, 2, 23, 41, 46, 82, 389, 397, 778, 794, 943, 1886, 8947, 9131, 15949, 16277, 17894, 18262, 31898, 32554, 154433, 308866, 366827, 374371, 733654, 748742, 3551959, 6331753, 7103918, 12663506, 145630319, 291260638]

約数ペア:

[(1, 291260638), (2, 145630319), (23, 12663506), (41, 7103918), (46, 6331753), (82, 3551959), (389, 748742), (397, 733654), (778, 374371), (794, 366827), (943, 308866), (1886, 154433), (8947, 32554), (9131, 31898), (15949, 18262), (16277, 17894)]