30003974

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2141}}^1$

素因数の和:2181

約数の個数: 48

約数和(自身を含む): 61535376

約数和(自身を除く): 31531402

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 286, 539, 637, 1001, 1078, 1274, 2002, 2141, 4282, 7007, 14014, 14987, 23551, 27833, 29974, 47102, 55666, 104909, 164857, 194831, 209818, 306163, 329714, 389662, 612326, 1153999, 1363817, 2143141, 2307998, 2727634, 4286282, 15001987, 30003974]

約数ペア:

[(1, 30003974), (2, 15001987), (7, 4286282), (11, 2727634), (13, 2307998), (14, 2143141), (22, 1363817), (26, 1153999), (49, 612326), (77, 389662), (91, 329714), (98, 306163), (143, 209818), (154, 194831), (182, 164857), (286, 104909), (539, 55666), (637, 47102), (1001, 29974), (1078, 27833), (1274, 23551), (2002, 14987), (2141, 14014), (4282, 7007)]