981535079

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{359}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 1207065600

約数和(自身を除く): 225530521

約数列:

[1, 7, 19, 61, 133, 337, 359, 427, 1159, 2359, 2513, 6403, 6821, 8113, 20557, 21899, 44821, 47747, 120983, 143899, 153293, 390583, 416081, 846881, 2298677, 2734081, 2912567, 7379963, 16090739, 51659741, 140219297, 981535079]

約数ペア:

[(1, 981535079), (7, 140219297), (19, 51659741), (61, 16090739), (133, 7379963), (337, 2912567), (359, 2734081), (427, 2298677), (1159, 846881), (2359, 416081), (2513, 390583), (6403, 153293), (6821, 143899), (8113, 120983), (20557, 47747), (21899, 44821)]