381831128

素因数分解:

$2^3\times 7^2\times {\mathrm{349}}^1\times {\mathrm{2791}}^1$

素因数の和:3160

約数の個数: 48

約数和(自身を含む): 835506000

約数和(自身を除く): 453674872

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 349, 392, 698, 1396, 2443, 2791, 2792, 4886, 5582, 9772, 11164, 17101, 19537, 19544, 22328, 34202, 39074, 68404, 78148, 136759, 136808, 156296, 273518, 547036, 974059, 1094072, 1948118, 3896236, 6818413, 7792472, 13636826, 27273652, 47728891, 54547304, 95457782, 190915564, 381831128]

約数ペア:

[(1, 381831128), (2, 190915564), (4, 95457782), (7, 54547304), (8, 47728891), (14, 27273652), (28, 13636826), (49, 7792472), (56, 6818413), (98, 3896236), (196, 1948118), (349, 1094072), (392, 974059), (698, 547036), (1396, 273518), (2443, 156296), (2791, 136808), (2792, 136759), (4886, 78148), (5582, 68404), (9772, 39074), (11164, 34202), (17101, 22328), (19537, 19544)]