81294704

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{37087}}^1$

素因数の和:37232

約数の個数: 20

約数和(自身を含む): 158662464

約数和(自身を除く): 77367760

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 37087, 74174, 148348, 296696, 593392, 5080919, 10161838, 20323676, 40647352, 81294704]

約数ペア:

[(1, 81294704), (2, 40647352), (4, 20323676), (8, 10161838), (16, 5080919), (137, 593392), (274, 296696), (548, 148348), (1096, 74174), (2192, 37087)]