128958848

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{7933}}^1$

素因数の和:8074

約数の個数: 32

約数和(自身を含む): 258965760

約数和(自身を除く): 130006912

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 2032, 4064, 7933, 8128, 15866, 16256, 31732, 63464, 126928, 253856, 507712, 1007491, 1015424, 2014982, 4029964, 8059928, 16119856, 32239712, 64479424, 128958848]

約数ペア:

[(1, 128958848), (2, 64479424), (4, 32239712), (8, 16119856), (16, 8059928), (32, 4029964), (64, 2014982), (127, 1015424), (128, 1007491), (254, 507712), (508, 253856), (1016, 126928), (2032, 63464), (4064, 31732), (7933, 16256), (8128, 15866)]