1987238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1531}}^1$

素因数の和:1603

約数の個数: 16

約数和(自身を含む): 3309120

約数和(自身を除く): 1321882

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 1531, 3062, 16841, 33682, 90329, 180658, 993619, 1987238]

約数ペア:

[(1, 1987238), (2, 993619), (11, 180658), (22, 90329), (59, 33682), (118, 16841), (649, 3062), (1298, 1531)]