1281736192

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{227581}}^1$

素因数の和:227610

約数の個数: 40

約数和(自身を含む): 2793796632

約数和(自身を除く): 1512060440

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 5632, 227581, 455162, 910324, 1820648, 2503391, 3641296, 5006782, 7282592, 10013564, 14565184, 20027128, 29130368, 40054256, 58260736, 80108512, 116521472, 160217024, 320434048, 640868096, 1281736192]

約数ペア:

[(1, 1281736192), (2, 640868096), (4, 320434048), (8, 160217024), (11, 116521472), (16, 80108512), (22, 58260736), (32, 40054256), (44, 29130368), (64, 20027128), (88, 14565184), (128, 10013564), (176, 7282592), (256, 5006782), (352, 3641296), (512, 2503391), (704, 1820648), (1408, 910324), (2816, 455162), (5632, 227581)]