28539204872

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1\times {\mathrm{1787}}^1$

素因数の和:2802

約数の個数: 64

約数和(自身を含む): 56108298240

約数和(自身を除く): 27569093368

約数列:

[1, 2, 4, 8, 31, 62, 71, 124, 142, 248, 284, 568, 907, 1787, 1814, 2201, 3574, 3628, 4402, 7148, 7256, 8804, 14296, 17608, 28117, 55397, 56234, 64397, 110794, 112468, 126877, 128794, 221588, 224936, 253754, 257588, 443176, 507508, 515176, 1015016, 1620809, 1996307, 3241618, 3933187, 3992614, 6483236, 7866374, 7985228, 12966472, 15732748, 15970456, 31465496, 50245079, 100490158, 115077439, 200980316, 230154878, 401960632, 460309756, 920619512, 3567400609, 7134801218, 14269602436, 28539204872]

約数ペア:

[(1, 28539204872), (2, 14269602436), (4, 7134801218), (8, 3567400609), (31, 920619512), (62, 460309756), (71, 401960632), (124, 230154878), (142, 200980316), (248, 115077439), (284, 100490158), (568, 50245079), (907, 31465496), (1787, 15970456), (1814, 15732748), (2201, 12966472), (3574, 7985228), (3628, 7866374), (4402, 6483236), (7148, 3992614), (7256, 3933187), (8804, 3241618), (14296, 1996307), (17608, 1620809), (28117, 1015016), (55397, 515176), (56234, 507508), (64397, 443176), (110794, 257588), (112468, 253754), (126877, 224936), (128794, 221588)]