291118

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:231

約数の個数: 16

約数和(自身を含む): 472320

約数和(自身を除く): 181202

約数列:

[1, 2, 19, 38, 47, 94, 163, 326, 893, 1786, 3097, 6194, 7661, 15322, 145559, 291118]

約数ペア:

[(1, 291118), (2, 145559), (19, 15322), (38, 7661), (47, 6194), (94, 3097), (163, 1786), (326, 893)]