81125864

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{2087}}^1$

素因数の和:2249

約数の個数: 32

約数和(自身を含む): 157101120

約数和(自身を除く): 75975256

約数列:

[1, 2, 4, 8, 43, 86, 113, 172, 226, 344, 452, 904, 2087, 4174, 4859, 8348, 9718, 16696, 19436, 38872, 89741, 179482, 235831, 358964, 471662, 717928, 943324, 1886648, 10140733, 20281466, 40562932, 81125864]

約数ペア:

[(1, 81125864), (2, 40562932), (4, 20281466), (8, 10140733), (43, 1886648), (86, 943324), (113, 717928), (172, 471662), (226, 358964), (344, 235831), (452, 179482), (904, 89741), (2087, 38872), (4174, 19436), (4859, 16696), (8348, 9718)]