320411518

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{1373}}^1$

素因数の和:1672

約数の個数: 32

約数和(自身を含む): 559272960

約数和(自身を除く): 238861442

約数列:

[1, 2, 7, 14, 79, 158, 211, 422, 553, 1106, 1373, 1477, 2746, 2954, 9611, 16669, 19222, 33338, 108467, 116683, 216934, 233366, 289703, 579406, 759269, 1518538, 2027921, 4055842, 22886537, 45773074, 160205759, 320411518]

約数ペア:

[(1, 320411518), (2, 160205759), (7, 45773074), (14, 22886537), (79, 4055842), (158, 2027921), (211, 1518538), (422, 759269), (553, 579406), (1106, 289703), (1373, 233366), (1477, 216934), (2746, 116683), (2954, 108467), (9611, 33338), (16669, 19222)]