15721178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 26671680

約数和(自身を除く): 10950502

約数列:

[1, 2, 11, 22, 53, 97, 106, 139, 194, 278, 583, 1067, 1166, 1529, 2134, 3058, 5141, 7367, 10282, 13483, 14734, 26966, 56551, 81037, 113102, 148313, 162074, 296626, 714599, 1429198, 7860589, 15721178]

約数ペア:

[(1, 15721178), (2, 7860589), (11, 1429198), (22, 714599), (53, 296626), (97, 162074), (106, 148313), (139, 113102), (194, 81037), (278, 56551), (583, 26966), (1067, 14734), (1166, 13483), (1529, 10282), (2134, 7367), (3058, 5141)]