1978978

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:633

約数の個数: 16

約数和(自身を含む): 3121920

約数和(自身を除く): 1142942

約数列:

[1, 2, 31, 59, 62, 118, 541, 1082, 1829, 3658, 16771, 31919, 33542, 63838, 989489, 1978978]

約数ペア:

[(1, 1978978), (2, 989489), (31, 63838), (59, 33542), (62, 31919), (118, 16771), (541, 3658), (1082, 1829)]