820888958

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{503}}^1\times {\mathrm{641}}^1$

素因数の和:1232

約数の個数: 32

約数和(自身を含む): 1320157440

約数和(自身を除く): 499268482

約数列:

[1, 2, 19, 38, 67, 134, 503, 641, 1006, 1273, 1282, 2546, 9557, 12179, 19114, 24358, 33701, 42947, 67402, 85894, 322423, 640319, 644846, 815993, 1280638, 1631986, 6126037, 12252074, 21602341, 43204682, 410444479, 820888958]

約数ペア:

[(1, 820888958), (2, 410444479), (19, 43204682), (38, 21602341), (67, 12252074), (134, 6126037), (503, 1631986), (641, 1280638), (1006, 815993), (1273, 644846), (1282, 640319), (2546, 322423), (9557, 85894), (12179, 67402), (19114, 42947), (24358, 33701)]