72087664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{409589}}^1$

素因数の和:409608

約数の個数: 20

約数和(自身を含む): 152367480

約数和(自身を除く): 80279816

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 409589, 819178, 1638356, 3276712, 4505479, 6553424, 9010958, 18021916, 36043832, 72087664]

約数ペア:

[(1, 72087664), (2, 36043832), (4, 18021916), (8, 9010958), (11, 6553424), (16, 4505479), (22, 3276712), (44, 1638356), (88, 819178), (176, 409589)]