138728512

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{166741}}^1$

素因数の和:166766

約数の個数: 28

約数和(自身を含む): 296467276

約数和(自身を除く): 157738764

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 166741, 333482, 666964, 1333928, 2167633, 2667856, 4335266, 5335712, 8670532, 10671424, 17341064, 34682128, 69364256, 138728512]

約数ペア:

[(1, 138728512), (2, 69364256), (4, 34682128), (8, 17341064), (13, 10671424), (16, 8670532), (26, 5335712), (32, 4335266), (52, 2667856), (64, 2167633), (104, 1333928), (208, 666964), (416, 333482), (832, 166741)]