87831556

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:452

約数の個数: 36

約数和(自身を含む): 161513436

約数和(自身を除く): 73681880

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 313, 626, 961, 1252, 1922, 2263, 3844, 4526, 9052, 9703, 19406, 22849, 38812, 45698, 70153, 91396, 140306, 280612, 300793, 601586, 708319, 1203172, 1416638, 2833276, 21957889, 43915778, 87831556]

約数ペア:

[(1, 87831556), (2, 43915778), (4, 21957889), (31, 2833276), (62, 1416638), (73, 1203172), (124, 708319), (146, 601586), (292, 300793), (313, 280612), (626, 140306), (961, 91396), (1252, 70153), (1922, 45698), (2263, 38812), (3844, 22849), (4526, 19406), (9052, 9703)]