27991202

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{1889}}^1$

素因数の和:2161

約数の個数: 16

約数和(自身を含む): 43545600

約数和(自身を除く): 15554398

約数列:

[1, 2, 31, 62, 239, 478, 1889, 3778, 7409, 14818, 58559, 117118, 451471, 902942, 13995601, 27991202]

約数ペア:

[(1, 27991202), (2, 13995601), (31, 902942), (62, 451471), (239, 117118), (478, 58559), (1889, 14818), (3778, 7409)]