71930257

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 91054080

約数和(自身を除く): 19123823

約数列:

[1, 7, 19, 37, 47, 133, 259, 311, 329, 703, 893, 1739, 2177, 4921, 5909, 6251, 11507, 12173, 14617, 33041, 41363, 80549, 102319, 218633, 231287, 277723, 540829, 1530431, 1944061, 3785803, 10275751, 71930257]

約数ペア:

[(1, 71930257), (7, 10275751), (19, 3785803), (37, 1944061), (47, 1530431), (133, 540829), (259, 277723), (311, 231287), (329, 218633), (703, 102319), (893, 80549), (1739, 41363), (2177, 33041), (4921, 14617), (5909, 12173), (6251, 11507)]