209212008

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{122777}}^1$

素因数の和:122857

約数の個数: 32

約数和(自身を含む): 530400960

約数和(自身を除く): 321188952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 122777, 245554, 368331, 491108, 736662, 982216, 1473324, 2946648, 8717167, 17434334, 26151501, 34868668, 52303002, 69737336, 104606004, 209212008]

約数ペア:

[(1, 209212008), (2, 104606004), (3, 69737336), (4, 52303002), (6, 34868668), (8, 26151501), (12, 17434334), (24, 8717167), (71, 2946648), (142, 1473324), (213, 982216), (284, 736662), (426, 491108), (568, 368331), (852, 245554), (1704, 122777)]