258239317

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 322945280

約数和(自身を除く): 64705963

約数列:

[1, 7, 19, 37, 97, 133, 259, 541, 679, 703, 1843, 3589, 3787, 4921, 10279, 12901, 20017, 25123, 52477, 68191, 71953, 140119, 367339, 380323, 477337, 997063, 1941649, 2662261, 6979441, 13591543, 36891331, 258239317]

約数ペア:

[(1, 258239317), (7, 36891331), (19, 13591543), (37, 6979441), (97, 2662261), (133, 1941649), (259, 997063), (541, 477337), (679, 380323), (703, 367339), (1843, 140119), (3589, 71953), (3787, 68191), (4921, 52477), (10279, 25123), (12901, 20017)]