638867090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{17041}}^1$

素因数の和:17234

約数の個数: 32

約数和(自身を含む): 1207391616

約数和(自身を除く): 568524526

約数列:

[1, 2, 5, 10, 23, 46, 115, 163, 230, 326, 815, 1630, 3749, 7498, 17041, 18745, 34082, 37490, 85205, 170410, 391943, 783886, 1959715, 2777683, 3919430, 5555366, 13888415, 27776830, 63886709, 127773418, 319433545, 638867090]

約数ペア:

[(1, 638867090), (2, 319433545), (5, 127773418), (10, 63886709), (23, 27776830), (46, 13888415), (115, 5555366), (163, 3919430), (230, 2777683), (326, 1959715), (815, 783886), (1630, 391943), (3749, 170410), (7498, 85205), (17041, 37490), (18745, 34082)]