221796278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{272477}}^1$

素因数の和:272527

約数の個数: 16

約数和(自身を含む): 372749904

約数和(自身を除く): 150953626

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 272477, 544954, 2997247, 5994494, 10081649, 20163298, 110898139, 221796278]

約数ペア:

[(1, 221796278), (2, 110898139), (11, 20163298), (22, 10081649), (37, 5994494), (74, 2997247), (407, 544954), (814, 272477)]