27986986

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1\times {\mathrm{769}}^1$

素因数の和:1389

約数の個数: 16

約数和(自身を含む): 43464960

約数和(自身を除く): 15477974

約数列:

[1, 2, 31, 62, 587, 769, 1174, 1538, 18197, 23839, 36394, 47678, 451403, 902806, 13993493, 27986986]

約数ペア:

[(1, 27986986), (2, 13993493), (31, 902806), (62, 451403), (587, 47678), (769, 36394), (1174, 23839), (1538, 18197)]