39947576

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{977}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 79218000

約数和(自身を除く): 39270424

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 269, 538, 977, 1076, 1954, 2152, 3908, 5111, 7816, 10222, 18563, 20444, 37126, 40888, 74252, 148504, 262813, 525626, 1051252, 2102504, 4993447, 9986894, 19973788, 39947576]

約数ペア:

[(1, 39947576), (2, 19973788), (4, 9986894), (8, 4993447), (19, 2102504), (38, 1051252), (76, 525626), (152, 262813), (269, 148504), (538, 74252), (977, 40888), (1076, 37126), (1954, 20444), (2152, 18563), (3908, 10222), (5111, 7816)]