81974608

素因数分解:

$2^4\times {\mathrm{2141}}^1\times {\mathrm{2393}}^1$

素因数の和:4542

約数の個数: 20

約数和(自身を含む): 158966388

約数和(自身を除く): 76991780

約数列:

[1, 2, 4, 8, 16, 2141, 2393, 4282, 4786, 8564, 9572, 17128, 19144, 34256, 38288, 5123413, 10246826, 20493652, 40987304, 81974608]

約数ペア:

[(1, 81974608), (2, 40987304), (4, 20493652), (8, 10246826), (16, 5123413), (2141, 38288), (2393, 34256), (4282, 19144), (4786, 17128), (8564, 9572)]