278878864

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{6263}}^1$

素因数の和:6316

約数の個数: 60

約数和(自身を含む): 619835328

約数和(自身を除く): 340956464

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 121, 176, 184, 242, 253, 368, 484, 506, 968, 1012, 1936, 2024, 2783, 4048, 5566, 6263, 11132, 12526, 22264, 25052, 44528, 50104, 68893, 100208, 137786, 144049, 275572, 288098, 551144, 576196, 757823, 1102288, 1152392, 1515646, 1584539, 2304784, 3031292, 3169078, 6062584, 6338156, 12125168, 12676312, 17429929, 25352624, 34859858, 69719716, 139439432, 278878864]

約数ペア:

[(1, 278878864), (2, 139439432), (4, 69719716), (8, 34859858), (11, 25352624), (16, 17429929), (22, 12676312), (23, 12125168), (44, 6338156), (46, 6062584), (88, 3169078), (92, 3031292), (121, 2304784), (176, 1584539), (184, 1515646), (242, 1152392), (253, 1102288), (368, 757823), (484, 576196), (506, 551144), (968, 288098), (1012, 275572), (1936, 144049), (2024, 137786), (2783, 100208), (4048, 68893), (5566, 50104), (6263, 44528), (11132, 25052), (12526, 22264)]