15721156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{829}}^1$

素因数の和:1275

約数の個数: 24

約数和(自身を含む): 30119040

約数和(自身を除く): 14397884

約数列:

[1, 2, 4, 11, 22, 44, 431, 829, 862, 1658, 1724, 3316, 4741, 9119, 9482, 18238, 18964, 36476, 357299, 714598, 1429196, 3930289, 7860578, 15721156]

約数ペア:

[(1, 15721156), (2, 7860578), (4, 3930289), (11, 1429196), (22, 714598), (44, 357299), (431, 36476), (829, 18964), (862, 18238), (1658, 9482), (1724, 9119), (3316, 4741)]