78872156

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{1831}}^1$

素因数の和:1946

約数の個数: 36

約数和(自身を含む): 153503280

約数和(自身を除く): 74631124

約数列:

[1, 2, 4, 11, 22, 44, 89, 121, 178, 242, 356, 484, 979, 1831, 1958, 3662, 3916, 7324, 10769, 20141, 21538, 40282, 43076, 80564, 162959, 221551, 325918, 443102, 651836, 886204, 1792549, 3585098, 7170196, 19718039, 39436078, 78872156]

約数ペア:

[(1, 78872156), (2, 39436078), (4, 19718039), (11, 7170196), (22, 3585098), (44, 1792549), (89, 886204), (121, 651836), (178, 443102), (242, 325918), (356, 221551), (484, 162959), (979, 80564), (1831, 43076), (1958, 40282), (3662, 21538), (3916, 20141), (7324, 10769)]