280065214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{1721}}^1$

素因数の和:2316

約数の個数: 32

約数和(自身を含む): 494696160

約数和(自身を除く): 214630946

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 569, 1138, 1721, 3442, 6259, 7397, 12518, 14794, 18931, 22373, 37862, 44746, 81367, 162734, 246103, 492206, 979249, 1958498, 10771739, 12730237, 21543478, 25460474, 140032607, 280065214]

約数ペア:

[(1, 280065214), (2, 140032607), (11, 25460474), (13, 21543478), (22, 12730237), (26, 10771739), (143, 1958498), (286, 979249), (569, 492206), (1138, 246103), (1721, 162734), (3442, 81367), (6259, 44746), (7397, 37862), (12518, 22373), (14794, 18931)]