261567316

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{821}}^1\times {\mathrm{3463}}^1$

素因数の和:4311

約数の個数: 24

約数和(自身を含む): 478364544

約数和(自身を除く): 216797228

約数列:

[1, 2, 4, 23, 46, 92, 821, 1642, 3284, 3463, 6926, 13852, 18883, 37766, 75532, 79649, 159298, 318596, 2843123, 5686246, 11372492, 65391829, 130783658, 261567316]

約数ペア:

[(1, 261567316), (2, 130783658), (4, 65391829), (23, 11372492), (46, 5686246), (92, 2843123), (821, 318596), (1642, 159298), (3284, 79649), (3463, 75532), (6926, 37766), (13852, 18883)]