128220704

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 258461280

約数和(自身を除く): 130240576

約数列:

[1, 2, 4, 8, 16, 32, 73, 131, 146, 262, 292, 419, 524, 584, 838, 1048, 1168, 1676, 2096, 2336, 3352, 4192, 6704, 9563, 13408, 19126, 30587, 38252, 54889, 61174, 76504, 109778, 122348, 153008, 219556, 244696, 306016, 439112, 489392, 878224, 978784, 1756448, 4006897, 8013794, 16027588, 32055176, 64110352, 128220704]

約数ペア:

[(1, 128220704), (2, 64110352), (4, 32055176), (8, 16027588), (16, 8013794), (32, 4006897), (73, 1756448), (131, 978784), (146, 878224), (262, 489392), (292, 439112), (419, 306016), (524, 244696), (584, 219556), (838, 153008), (1048, 122348), (1168, 109778), (1676, 76504), (2096, 61174), (2336, 54889), (3352, 38252), (4192, 30587), (6704, 19126), (9563, 13408)]