199653559

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 250048512

約数和(自身を除く): 50394953

約数列:

[1, 7, 17, 41, 119, 151, 271, 287, 697, 1057, 1897, 2567, 4607, 4879, 6191, 11111, 17969, 32249, 40921, 43337, 77777, 105247, 188887, 286447, 695657, 736729, 1322209, 1677761, 4869599, 11744327, 28521937, 199653559]

約数ペア:

[(1, 199653559), (7, 28521937), (17, 11744327), (41, 4869599), (119, 1677761), (151, 1322209), (271, 736729), (287, 695657), (697, 286447), (1057, 188887), (1897, 105247), (2567, 77777), (4607, 43337), (4879, 40921), (6191, 32249), (11111, 17969)]