11661881

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 15759360

約数和(自身を除く): 4097479

約数列:

[1, 7, 11, 17, 59, 77, 119, 151, 187, 413, 649, 1003, 1057, 1309, 1661, 2567, 4543, 7021, 8909, 11033, 11627, 17969, 28237, 62363, 77231, 97999, 151453, 197659, 685993, 1060171, 1665983, 11661881]

約数ペア:

[(1, 11661881), (7, 1665983), (11, 1060171), (17, 685993), (59, 197659), (77, 151453), (119, 97999), (151, 77231), (187, 62363), (413, 28237), (649, 17969), (1003, 11627), (1057, 11033), (1309, 8909), (1661, 7021), (2567, 4543)]