9990694

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 19111680

約数和(自身を除く): 9120986

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 71, 133, 142, 161, 266, 322, 437, 497, 529, 874, 994, 1058, 1349, 1633, 2698, 3059, 3266, 3703, 6118, 7406, 9443, 10051, 11431, 18886, 20102, 22862, 31027, 37559, 62054, 70357, 75118, 140714, 217189, 262913, 434378, 525826, 713621, 1427242, 4995347, 9990694]

約数ペア:

[(1, 9990694), (2, 4995347), (7, 1427242), (14, 713621), (19, 525826), (23, 434378), (38, 262913), (46, 217189), (71, 140714), (133, 75118), (142, 70357), (161, 62054), (266, 37559), (322, 31027), (437, 22862), (497, 20102), (529, 18886), (874, 11431), (994, 10051), (1058, 9443), (1349, 7406), (1633, 6118), (2698, 3703), (3059, 3266)]