181997478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{45751}}^1$

素因数の和:45789

約数の個数: 48

約数和(自身を含む): 449650656

約数和(自身を除く): 267653178

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 45751, 91502, 137253, 274506, 411759, 594763, 777767, 823518, 1189526, 1555534, 1784289, 2333301, 3568578, 4666602, 5352867, 6999903, 10110971, 10705734, 13999806, 20221942, 30332913, 60665826, 90998739, 181997478]

約数ペア:

[(1, 181997478), (2, 90998739), (3, 60665826), (6, 30332913), (9, 20221942), (13, 13999806), (17, 10705734), (18, 10110971), (26, 6999903), (34, 5352867), (39, 4666602), (51, 3568578), (78, 2333301), (102, 1784289), (117, 1555534), (153, 1189526), (221, 823518), (234, 777767), (306, 594763), (442, 411759), (663, 274506), (1326, 137253), (1989, 91502), (3978, 45751)]