15980822

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 28594944

約数和(自身を除く): 12614122

約数列:

[1, 2, 11, 13, 22, 26, 71, 142, 143, 286, 781, 787, 923, 1562, 1574, 1846, 8657, 10153, 10231, 17314, 20306, 20462, 55877, 111754, 112541, 225082, 614647, 726401, 1229294, 1452802, 7990411, 15980822]

約数ペア:

[(1, 15980822), (2, 7990411), (11, 1452802), (13, 1229294), (22, 726401), (26, 614647), (71, 225082), (142, 112541), (143, 111754), (286, 55877), (781, 20462), (787, 20306), (923, 17314), (1562, 10231), (1574, 10153), (1846, 8657)]