123390478

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{1493}}^1$

素因数の和:1600

約数の個数: 24

約数和(自身を含む): 195827544

約数和(自身を除く): 72437066

約数列:

[1, 2, 31, 43, 62, 86, 961, 1333, 1493, 1922, 2666, 2986, 41323, 46283, 64199, 82646, 92566, 128398, 1434773, 1990169, 2869546, 3980338, 61695239, 123390478]

約数ペア:

[(1, 123390478), (2, 61695239), (31, 3980338), (43, 2869546), (62, 1990169), (86, 1434773), (961, 128398), (1333, 92566), (1493, 82646), (1922, 64199), (2666, 46283), (2986, 41323)]