199897345

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{20747}}^1$

素因数の和:20840

約数の個数: 16

約数和(自身を含む): 250967808

約数和(自身を除く): 51070463

約数列:

[1, 5, 41, 47, 205, 235, 1927, 9635, 20747, 103735, 850627, 975109, 4253135, 4875545, 39979469, 199897345]

約数ペア:

[(1, 199897345), (5, 39979469), (41, 4875545), (47, 4253135), (205, 975109), (235, 850627), (1927, 103735), (9635, 20747)]