68881408

素因数分解:

$2^{10}\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:648

約数の個数: 44

約数和(自身を含む): 138983112

約数和(自身を除く): 70101704

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 256, 274, 491, 512, 548, 982, 1024, 1096, 1964, 2192, 3928, 4384, 7856, 8768, 15712, 17536, 31424, 35072, 62848, 67267, 70144, 125696, 134534, 140288, 251392, 269068, 502784, 538136, 1076272, 2152544, 4305088, 8610176, 17220352, 34440704, 68881408]

約数ペア:

[(1, 68881408), (2, 34440704), (4, 17220352), (8, 8610176), (16, 4305088), (32, 2152544), (64, 1076272), (128, 538136), (137, 502784), (256, 269068), (274, 251392), (491, 140288), (512, 134534), (548, 125696), (982, 70144), (1024, 67267), (1096, 62848), (1964, 35072), (2192, 31424), (3928, 17536), (4384, 15712), (7856, 8768)]