28640768

素因数分解:

$2^9\times {\mathrm{13}}^2\times {\mathrm{331}}^1$

素因数の和:375

約数の個数: 60

約数和(自身を含む): 62153388

約数和(自身を除く): 33512620

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 331, 338, 416, 512, 662, 676, 832, 1324, 1352, 1664, 2648, 2704, 3328, 4303, 5296, 5408, 6656, 8606, 10592, 10816, 17212, 21184, 21632, 34424, 42368, 43264, 55939, 68848, 84736, 86528, 111878, 137696, 169472, 223756, 275392, 447512, 550784, 895024, 1101568, 1790048, 2203136, 3580096, 7160192, 14320384, 28640768]

約数ペア:

[(1, 28640768), (2, 14320384), (4, 7160192), (8, 3580096), (13, 2203136), (16, 1790048), (26, 1101568), (32, 895024), (52, 550784), (64, 447512), (104, 275392), (128, 223756), (169, 169472), (208, 137696), (256, 111878), (331, 86528), (338, 84736), (416, 68848), (512, 55939), (662, 43264), (676, 42368), (832, 34424), (1324, 21632), (1352, 21184), (1664, 17212), (2648, 10816), (2704, 10592), (3328, 8606), (4303, 6656), (5296, 5408)]