280731608

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{30809}}^1$

素因数の和:30899

約数の個数: 32

約数和(自身を含む): 565671600

約数和(自身を除く): 284939992

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2278, 4556, 9112, 30809, 61618, 123236, 246472, 523753, 1047506, 2064203, 2095012, 4128406, 4190024, 8256812, 16513624, 35091451, 70182902, 140365804, 280731608]

約数ペア:

[(1, 280731608), (2, 140365804), (4, 70182902), (8, 35091451), (17, 16513624), (34, 8256812), (67, 4190024), (68, 4128406), (134, 2095012), (136, 2064203), (268, 1047506), (536, 523753), (1139, 246472), (2278, 123236), (4556, 61618), (9112, 30809)]