28678888

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7213}}^1$

素因数の和:7297

約数の個数: 32

約数和(自身を含む): 62328960

約数和(自身を除く): 33650072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 7213, 14426, 28852, 50491, 57704, 100982, 201964, 403928, 512123, 1024246, 2048492, 3584861, 4096984, 7169722, 14339444, 28678888]

約数ペア:

[(1, 28678888), (2, 14339444), (4, 7169722), (7, 4096984), (8, 3584861), (14, 2048492), (28, 1024246), (56, 512123), (71, 403928), (142, 201964), (284, 100982), (497, 57704), (568, 50491), (994, 28852), (1988, 14426), (3976, 7213)]