209311228

素因数分解:

$2^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{16649}}^1$

素因数の和:17109

約数の個数: 24

約数和(自身を含む): 419580000

約数和(自身を除く): 210268772

約数列:

[1, 2, 4, 7, 14, 28, 449, 898, 1796, 3143, 6286, 12572, 16649, 33298, 66596, 116543, 233086, 466172, 7475401, 14950802, 29901604, 52327807, 104655614, 209311228]

約数ペア:

[(1, 209311228), (2, 104655614), (4, 52327807), (7, 29901604), (14, 14950802), (28, 7475401), (449, 466172), (898, 233086), (1796, 116543), (3143, 66596), (6286, 33298), (12572, 16649)]