219120937

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1\times {\mathrm{691}}^1$

素因数の和:1296

約数の個数: 16

約数和(自身を含む): 254102400

約数和(自身を除く): 34981463

約数列:

[1, 7, 89, 509, 623, 691, 3563, 4837, 45301, 61499, 317107, 351719, 430493, 2462033, 31302991, 219120937]

約数ペア:

[(1, 219120937), (7, 31302991), (89, 2462033), (509, 430493), (623, 351719), (691, 317107), (3563, 61499), (4837, 45301)]