261642022

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{39727}}^1$

素因数の和:39855

約数の個数: 16

約数和(自身を含む): 407609280

約数和(自身を除く): 145967258

約数列:

[1, 2, 37, 74, 89, 178, 3293, 6586, 39727, 79454, 1469899, 2939798, 3535703, 7071406, 130821011, 261642022]

約数ペア:

[(1, 261642022), (2, 130821011), (37, 7071406), (74, 3535703), (89, 2939798), (178, 1469899), (3293, 79454), (6586, 39727)]