81905038

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{5023}}^1$

素因数の和:5319

約数の個数: 16

約数和(自身を含む): 127328256

約数和(自身を除く): 45423218

約数列:

[1, 2, 31, 62, 263, 526, 5023, 8153, 10046, 16306, 155713, 311426, 1321049, 2642098, 40952519, 81905038]

約数ペア:

[(1, 81905038), (2, 40952519), (31, 2642098), (62, 1321049), (263, 311426), (526, 155713), (5023, 16306), (8153, 10046)]