221057278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{369661}}^1$

素因数の和:369699

約数の個数: 16

約数和(自身を含む): 372619296

約数和(自身を除く): 151562018

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 369661, 739322, 4805593, 8502203, 9611186, 17004406, 110528639, 221057278]

約数ペア:

[(1, 221057278), (2, 110528639), (13, 17004406), (23, 9611186), (26, 8502203), (46, 4805593), (299, 739322), (598, 369661)]