3989416.00000000

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 162518400

約数和(自身を除く): 63275907

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 149, 161, 197, 447, 483, 591, 1043, 1127, 1379, 3129, 3381, 3427, 4137, 4531, 7301, 9653, 10281, 13593, 21903, 23989, 28959, 29353, 31717, 71967, 88059, 95151, 167923, 205471, 222019, 503769, 616413, 666057, 675119, 1438297, 2025357, 4314891, 4725833, 14177499, 33080831, 99242493]

約数ペア:

[(1, 99242493), (3, 33080831), (7, 14177499), (21, 4725833), (23, 4314891), (49, 2025357), (69, 1438297), (147, 675119), (149, 666057), (161, 616413), (197, 503769), (447, 222019), (483, 205471), (591, 167923), (1043, 95151), (1127, 88059), (1379, 71967), (3129, 31717), (3381, 29353), (3427, 28959), (4137, 23989), (4531, 21903), (7301, 13593), (9653, 10281)]