28501687568

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{60737}}^1$

素因数の和:61095

約数の個数: 40

約数和(自身を含む): 55883819040

約数和(自身を除く): 27382131472

約数列:

[1, 2, 4, 8, 16, 139, 211, 278, 422, 556, 844, 1112, 1688, 2224, 3376, 29329, 58658, 60737, 117316, 121474, 234632, 242948, 469264, 485896, 971792, 8442443, 12815507, 16884886, 25631014, 33769772, 51262028, 67539544, 102524056, 135079088, 205048112, 1781355473, 3562710946, 7125421892, 14250843784, 28501687568]

約数ペア:

[(1, 28501687568), (2, 14250843784), (4, 7125421892), (8, 3562710946), (16, 1781355473), (139, 205048112), (211, 135079088), (278, 102524056), (422, 67539544), (556, 51262028), (844, 33769772), (1112, 25631014), (1688, 16884886), (2224, 12815507), (3376, 8442443), (29329, 971792), (58658, 485896), (60737, 469264), (117316, 242948), (121474, 234632)]