218978982

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{136691}}^1$

素因数の和:136788

約数の個数: 24

約数和(自身を含む): 479788920

約数和(自身を除く): 260809938

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 136691, 273382, 410073, 820146, 1230219, 2460438, 12165499, 24330998, 36496497, 72992994, 109489491, 218978982]

約数ペア:

[(1, 218978982), (2, 109489491), (3, 72992994), (6, 36496497), (9, 24330998), (18, 12165499), (89, 2460438), (178, 1230219), (267, 820146), (534, 410073), (801, 273382), (1602, 136691)]