253816576

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1439}}^1$

素因数の和:1521

約数の個数: 72

約数和(自身を含む): 556295040

約数和(自身を除く): 302478464

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 128, 208, 212, 256, 416, 424, 689, 832, 848, 1378, 1439, 1664, 1696, 2756, 2878, 3328, 3392, 5512, 5756, 6784, 11024, 11512, 13568, 18707, 22048, 23024, 37414, 44096, 46048, 74828, 76267, 88192, 92096, 149656, 152534, 176384, 184192, 299312, 305068, 368384, 598624, 610136, 991471, 1197248, 1220272, 1982942, 2394496, 2440544, 3965884, 4788992, 4881088, 7931768, 9762176, 15863536, 19524352, 31727072, 63454144, 126908288, 253816576]

約数ペア:

[(1, 253816576), (2, 126908288), (4, 63454144), (8, 31727072), (13, 19524352), (16, 15863536), (26, 9762176), (32, 7931768), (52, 4881088), (53, 4788992), (64, 3965884), (104, 2440544), (106, 2394496), (128, 1982942), (208, 1220272), (212, 1197248), (256, 991471), (416, 610136), (424, 598624), (689, 368384), (832, 305068), (848, 299312), (1378, 184192), (1439, 176384), (1664, 152534), (1696, 149656), (2756, 92096), (2878, 88192), (3328, 76267), (3392, 74828), (5512, 46048), (5756, 44096), (6784, 37414), (11024, 23024), (11512, 22048), (13568, 18707)]