221520266

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{11587}}^1$

素因数の和:11690

約数の個数: 24

約数和(自身を含む): 369888960

約数和(自身を除く): 148368694

約数列:

[1, 2, 11, 22, 79, 121, 158, 242, 869, 1738, 9559, 11587, 19118, 23174, 127457, 254914, 915373, 1402027, 1830746, 2804054, 10069103, 20138206, 110760133, 221520266]

約数ペア:

[(1, 221520266), (2, 110760133), (11, 20138206), (22, 10069103), (79, 2804054), (121, 1830746), (158, 1402027), (242, 915373), (869, 254914), (1738, 127457), (9559, 23174), (11587, 19118)]