386316721

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2801}}^1$

素因数の和:2905

約数の個数: 32

約数和(自身を含む): 500325120

約数和(自身を除く): 114008399

約数列:

[1, 7, 17, 19, 61, 119, 133, 323, 427, 1037, 1159, 2261, 2801, 7259, 8113, 19607, 19703, 47617, 53219, 137921, 170861, 333319, 372533, 904723, 1196027, 2904637, 3246359, 6333061, 20332459, 22724513, 55188103, 386316721]

約数ペア:

[(1, 386316721), (7, 55188103), (17, 22724513), (19, 20332459), (61, 6333061), (119, 3246359), (133, 2904637), (323, 1196027), (427, 904723), (1037, 372533), (1159, 333319), (2261, 170861), (2801, 137921), (7259, 53219), (8113, 47617), (19607, 19703)]