380678977

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2789}}^1$

素因数の和:2881

約数の個数: 32

約数和(自身を含む): 488540160

約数和(自身を除く): 107861183

約数列:

[1, 7, 17, 31, 37, 119, 217, 259, 527, 629, 1147, 2789, 3689, 4403, 8029, 19499, 19523, 47413, 86459, 103193, 136493, 331891, 605213, 722351, 1469803, 1754281, 3198983, 10288621, 12279967, 22392881, 54382711, 380678977]

約数ペア:

[(1, 380678977), (7, 54382711), (17, 22392881), (31, 12279967), (37, 10288621), (119, 3198983), (217, 1754281), (259, 1469803), (527, 722351), (629, 605213), (1147, 331891), (2789, 136493), (3689, 103193), (4403, 86459), (8029, 47413), (19499, 19523)]