1289744

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{541}}^1$

素因数の和:698

約数の個数: 20

約数和(自身を含む): 2520300

約数和(自身を除く): 1230556

約数列:

[1, 2, 4, 8, 16, 149, 298, 541, 596, 1082, 1192, 2164, 2384, 4328, 8656, 80609, 161218, 322436, 644872, 1289744]

約数ペア:

[(1, 1289744), (2, 644872), (4, 322436), (8, 161218), (16, 80609), (149, 8656), (298, 4328), (541, 2384), (596, 2164), (1082, 1192)]