391996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 766080

約数和(自身を除く): 374084

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 151, 236, 302, 604, 649, 1298, 1661, 2596, 3322, 6644, 8909, 17818, 35636, 97999, 195998, 391996]

約数ペア:

[(1, 391996), (2, 195998), (4, 97999), (11, 35636), (22, 17818), (44, 8909), (59, 6644), (118, 3322), (151, 2596), (236, 1661), (302, 1298), (604, 649)]