78262387

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 98841600

約数和(自身を除く): 20579213

約数列:

[1, 7, 19, 29, 103, 133, 197, 203, 551, 721, 1379, 1957, 2987, 3743, 3857, 5713, 13699, 20291, 20909, 26201, 39991, 56753, 108547, 142037, 385529, 397271, 588439, 759829, 2698703, 4119073, 11180341, 78262387]

約数ペア:

[(1, 78262387), (7, 11180341), (19, 4119073), (29, 2698703), (103, 759829), (133, 588439), (197, 397271), (203, 385529), (551, 142037), (721, 108547), (1379, 56753), (1957, 39991), (2987, 26201), (3743, 20909), (3857, 20291), (5713, 13699)]