28788208

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{971}}^1$

素因数の和:1105

約数の個数: 40

約数和(自身を含む): 59661360

約数和(自身を除く): 30873152

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 109, 136, 218, 272, 436, 872, 971, 1744, 1853, 1942, 3706, 3884, 7412, 7768, 14824, 15536, 16507, 29648, 33014, 66028, 105839, 132056, 211678, 264112, 423356, 846712, 1693424, 1799263, 3598526, 7197052, 14394104, 28788208]

約数ペア:

[(1, 28788208), (2, 14394104), (4, 7197052), (8, 3598526), (16, 1799263), (17, 1693424), (34, 846712), (68, 423356), (109, 264112), (136, 211678), (218, 132056), (272, 105839), (436, 66028), (872, 33014), (971, 29648), (1744, 16507), (1853, 15536), (1942, 14824), (3706, 7768), (3884, 7412)]