311728417

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1303}}^1$

素因数の和:1573

約数の個数: 32

約数和(自身を含む): 420618240

約数和(自身を除く): 108889823

約数列:

[1, 7, 11, 13, 77, 91, 143, 239, 1001, 1303, 1673, 2629, 3107, 9121, 14333, 16939, 18403, 21749, 34177, 100331, 118573, 186329, 239239, 311417, 1304303, 2179919, 3425587, 4048421, 23979109, 28338947, 44532631, 311728417]

約数ペア:

[(1, 311728417), (7, 44532631), (11, 28338947), (13, 23979109), (77, 4048421), (91, 3425587), (143, 2179919), (239, 1304303), (1001, 311417), (1303, 239239), (1673, 186329), (2629, 118573), (3107, 100331), (9121, 34177), (14333, 21749), (16939, 18403)]