161520247

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{28879}}^1$

素因数の和:28950

約数の個数: 16

約数和(自身を含む): 199618560

約数和(自身を除く): 38098313

約数列:

[1, 7, 17, 47, 119, 329, 799, 5593, 28879, 202153, 490943, 1357313, 3436601, 9501191, 23074321, 161520247]

約数ペア:

[(1, 161520247), (7, 23074321), (17, 9501191), (47, 3436601), (119, 1357313), (329, 490943), (799, 202153), (5593, 28879)]