221528174

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{2437}}^1$

素因数の和:2640

約数の個数: 32

約数和(自身を含む): 391328256

約数和(自身を除く): 169800082

約数列:

[1, 2, 7, 14, 43, 86, 151, 301, 302, 602, 1057, 2114, 2437, 4874, 6493, 12986, 17059, 34118, 45451, 90902, 104791, 209582, 367987, 733537, 735974, 1467074, 2575909, 5151818, 15823441, 31646882, 110764087, 221528174]

約数ペア:

[(1, 221528174), (2, 110764087), (7, 31646882), (14, 15823441), (43, 5151818), (86, 2575909), (151, 1467074), (301, 735974), (302, 733537), (602, 367987), (1057, 209582), (2114, 104791), (2437, 90902), (4874, 45451), (6493, 34118), (12986, 17059)]