87971785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 118879488

約数和(自身を除く): 30907703

約数列:

[1, 5, 11, 53, 55, 103, 265, 293, 515, 583, 1133, 1465, 2915, 3223, 5459, 5665, 15529, 16115, 27295, 30179, 60049, 77645, 150895, 170819, 300245, 331969, 854095, 1599487, 1659845, 7997435, 17594357, 87971785]

約数ペア:

[(1, 87971785), (5, 17594357), (11, 7997435), (53, 1659845), (55, 1599487), (103, 854095), (265, 331969), (293, 300245), (515, 170819), (583, 150895), (1133, 77645), (1465, 60049), (2915, 30179), (3223, 27295), (5459, 16115), (5665, 15529)]