209215466

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1\times {\mathrm{547}}^1$

素因数の和:810

約数の個数: 24

約数和(自身を含む): 326498400

約数和(自身を除く): 117282934

約数列:

[1, 2, 31, 62, 199, 398, 547, 961, 1094, 1922, 6169, 12338, 16957, 33914, 108853, 191239, 217706, 382478, 525667, 1051334, 3374443, 6748886, 104607733, 209215466]

約数ペア:

[(1, 209215466), (2, 104607733), (31, 6748886), (62, 3374443), (199, 1051334), (398, 525667), (547, 382478), (961, 217706), (1094, 191239), (1922, 108853), (6169, 33914), (12338, 16957)]