31247478

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 73382400

約数和(自身を除く): 42134922

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 139, 181, 207, 278, 362, 414, 417, 543, 621, 834, 1086, 1242, 1251, 1629, 2502, 3197, 3258, 3753, 4163, 4887, 6394, 7506, 8326, 9591, 9774, 12489, 19182, 24978, 25159, 28773, 37467, 50318, 57546, 74934, 75477, 86319, 112401, 150954, 172638, 224802, 226431, 452862, 578657, 679293, 1157314, 1358586, 1735971, 3471942, 5207913, 10415826, 15623739, 31247478]

約数ペア:

[(1, 31247478), (2, 15623739), (3, 10415826), (6, 5207913), (9, 3471942), (18, 1735971), (23, 1358586), (27, 1157314), (46, 679293), (54, 578657), (69, 452862), (138, 226431), (139, 224802), (181, 172638), (207, 150954), (278, 112401), (362, 86319), (414, 75477), (417, 74934), (543, 57546), (621, 50318), (834, 37467), (1086, 28773), (1242, 25159), (1251, 24978), (1629, 19182), (2502, 12489), (3197, 9774), (3258, 9591), (3753, 8326), (4163, 7506), (4887, 6394)]