257942008

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{691}}^1\times {\mathrm{1609}}^1$

素因数の和:2335

約数の個数: 32

約数和(自身を含む): 501354000

約数和(自身を除く): 243411992

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 691, 1382, 1609, 2764, 3218, 5528, 6436, 12872, 20039, 40078, 46661, 80156, 93322, 160312, 186644, 373288, 1111819, 2223638, 4447276, 8894552, 32242751, 64485502, 128971004, 257942008]

約数ペア:

[(1, 257942008), (2, 128971004), (4, 64485502), (8, 32242751), (29, 8894552), (58, 4447276), (116, 2223638), (232, 1111819), (691, 373288), (1382, 186644), (1609, 160312), (2764, 93322), (3218, 80156), (5528, 46661), (6436, 40078), (12872, 20039)]