159964

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 332640

約数和(自身を除く): 172676

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 197, 203, 394, 406, 788, 812, 1379, 2758, 5516, 5713, 11426, 22852, 39991, 79982, 159964]

約数ペア:

[(1, 159964), (2, 79982), (4, 39991), (7, 22852), (14, 11426), (28, 5713), (29, 5516), (58, 2758), (116, 1379), (197, 812), (203, 788), (394, 406)]