31709594

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 61378560

約数和(自身を除く): 29668966

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 71, 73, 133, 142, 146, 161, 266, 322, 437, 497, 511, 874, 994, 1022, 1349, 1387, 1633, 1679, 2698, 2774, 3059, 3266, 3358, 5183, 6118, 9443, 9709, 10366, 11431, 11753, 18886, 19418, 22862, 23506, 31027, 31901, 36281, 62054, 63802, 72562, 98477, 119209, 196954, 217189, 223307, 238418, 434378, 446614, 689339, 834463, 1378678, 1668926, 2264971, 4529942, 15854797, 31709594]

約数ペア:

[(1, 31709594), (2, 15854797), (7, 4529942), (14, 2264971), (19, 1668926), (23, 1378678), (38, 834463), (46, 689339), (71, 446614), (73, 434378), (133, 238418), (142, 223307), (146, 217189), (161, 196954), (266, 119209), (322, 98477), (437, 72562), (497, 63802), (511, 62054), (874, 36281), (994, 31901), (1022, 31027), (1349, 23506), (1387, 22862), (1633, 19418), (1679, 18886), (2698, 11753), (2774, 11431), (3059, 10366), (3266, 9709), (3358, 9443), (5183, 6118)]