991615822

素因数分解:

$2^1\times {\mathrm{421}}^1\times {\mathrm{547}}^1\times {\mathrm{2153}}^1$

素因数の和:3123

約数の個数: 16

約数和(自身を含む): 1494376272

約数和(自身を除く): 502760450

約数列:

[1, 2, 421, 547, 842, 1094, 2153, 4306, 230287, 460574, 906413, 1177691, 1812826, 2355382, 495807911, 991615822]

約数ペア:

[(1, 991615822), (2, 495807911), (421, 2355382), (547, 1812826), (842, 1177691), (1094, 906413), (2153, 460574), (4306, 230287)]