217222746

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{10589}}^1$

素因数の和:10870

約数の個数: 32

約数和(自身を含む): 469687680

約数和(自身を除く): 252464934

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263, 526, 789, 1578, 3419, 6838, 10257, 10589, 20514, 21178, 31767, 63534, 137657, 275314, 412971, 825942, 2784907, 5569814, 8354721, 16709442, 36203791, 72407582, 108611373, 217222746]

約数ペア:

[(1, 217222746), (2, 108611373), (3, 72407582), (6, 36203791), (13, 16709442), (26, 8354721), (39, 5569814), (78, 2784907), (263, 825942), (526, 412971), (789, 275314), (1578, 137657), (3419, 63534), (6838, 31767), (10257, 21178), (10589, 20514)]