290864255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6473}}^1$

素因数の和:6551

約数の個数: 32

約数和(自身を含む): 410192640

約数和(自身を除く): 119328385

約数列:

[1, 5, 11, 19, 43, 55, 95, 209, 215, 473, 817, 1045, 2365, 4085, 6473, 8987, 32365, 44935, 71203, 122987, 278339, 356015, 614935, 1352857, 1391695, 3061729, 5288441, 6764285, 15308645, 26442205, 58172851, 290864255]

約数ペア:

[(1, 290864255), (5, 58172851), (11, 26442205), (19, 15308645), (43, 6764285), (55, 5288441), (95, 3061729), (209, 1391695), (215, 1352857), (473, 614935), (817, 356015), (1045, 278339), (2365, 122987), (4085, 71203), (6473, 44935), (8987, 32365)]