15831998

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 72

約数和(自身を含む): 32338152

約数和(自身を除く): 16506154

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 43, 49, 86, 91, 98, 119, 182, 221, 238, 289, 301, 442, 559, 578, 602, 637, 731, 833, 1118, 1274, 1462, 1547, 1666, 2023, 2107, 3094, 3757, 3913, 4046, 4214, 5117, 7514, 7826, 9503, 10234, 10829, 12427, 14161, 19006, 21658, 24854, 26299, 27391, 28322, 35819, 52598, 54782, 66521, 71638, 86989, 133042, 161551, 173978, 184093, 323102, 368186, 465647, 608923, 931294, 1130857, 1217846, 2261714, 7915999, 15831998]

約数ペア:

[(1, 15831998), (2, 7915999), (7, 2261714), (13, 1217846), (14, 1130857), (17, 931294), (26, 608923), (34, 465647), (43, 368186), (49, 323102), (86, 184093), (91, 173978), (98, 161551), (119, 133042), (182, 86989), (221, 71638), (238, 66521), (289, 54782), (301, 52598), (442, 35819), (559, 28322), (578, 27391), (602, 26299), (637, 24854), (731, 21658), (833, 19006), (1118, 14161), (1274, 12427), (1462, 10829), (1547, 10234), (1666, 9503), (2023, 7826), (2107, 7514), (3094, 5117), (3757, 4214), (3913, 4046)]