378416

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:428

約数の個数: 20

約数和(自身を含む): 746232

約数和(自身を除く): 367816

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 353, 536, 706, 1072, 1412, 2824, 5648, 23651, 47302, 94604, 189208, 378416]

約数ペア:

[(1, 378416), (2, 189208), (4, 94604), (8, 47302), (16, 23651), (67, 5648), (134, 2824), (268, 1412), (353, 1072), (536, 706)]