1242667454

素因数分解:

$2^1\times 7^1\times {\mathrm{5557}}^1\times {\mathrm{15973}}^1$

素因数の和:21539

約数の個数: 16

約数和(自身を含む): 2130803808

約数和(自身を除く): 888136354

約数列:

[1, 2, 7, 14, 5557, 11114, 15973, 31946, 38899, 77798, 111811, 223622, 88761961, 177523922, 621333727, 1242667454]

約数ペア:

[(1, 1242667454), (2, 621333727), (7, 177523922), (14, 88761961), (5557, 223622), (11114, 111811), (15973, 77798), (31946, 38899)]