77972128

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{187433}}^1$

素因数の和:187456

約数の個数: 24

約数和(自身を含む): 165316788

約数和(自身を除く): 87344660

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 187433, 374866, 749732, 1499464, 2436629, 2998928, 4873258, 5997856, 9746516, 19493032, 38986064, 77972128]

約数ペア:

[(1, 77972128), (2, 38986064), (4, 19493032), (8, 9746516), (13, 5997856), (16, 4873258), (26, 2998928), (32, 2436629), (52, 1499464), (104, 749732), (208, 374866), (416, 187433)]