70721981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 83980800

約数和(自身を除く): 13258819

約数列:

[1, 11, 29, 47, 53, 89, 319, 517, 583, 979, 1363, 1537, 2491, 2581, 4183, 4717, 14993, 16907, 27401, 28391, 46013, 51887, 72239, 121307, 136793, 221699, 794629, 1334377, 1504723, 2438689, 6429271, 70721981]

約数ペア:

[(1, 70721981), (11, 6429271), (29, 2438689), (47, 1504723), (53, 1334377), (89, 794629), (319, 221699), (517, 136793), (583, 121307), (979, 72239), (1363, 51887), (1537, 46013), (2491, 28391), (2581, 27401), (4183, 16907), (4717, 14993)]