199438645

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4721}}^1$

素因数の和:4821

約数の個数: 32

約数和(自身を含む): 293746176

約数和(自身を除く): 94307531

約数列:

[1, 5, 7, 17, 35, 71, 85, 119, 355, 497, 595, 1207, 2485, 4721, 6035, 8449, 23605, 33047, 42245, 80257, 165235, 335191, 401285, 561799, 1675955, 2346337, 2808995, 5698247, 11731685, 28491235, 39887729, 199438645]

約数ペア:

[(1, 199438645), (5, 39887729), (7, 28491235), (17, 11731685), (35, 5698247), (71, 2808995), (85, 2346337), (119, 1675955), (355, 561799), (497, 401285), (595, 335191), (1207, 165235), (2485, 80257), (4721, 42245), (6035, 33047), (8449, 23605)]