77719408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{761}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 162708336

約数和(自身を除く): 84988928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 491, 761, 982, 1522, 1964, 3044, 3928, 6088, 6383, 7856, 9893, 12176, 12766, 19786, 25532, 39572, 51064, 79144, 102128, 158288, 373651, 747302, 1494604, 2989208, 4857463, 5978416, 9714926, 19429852, 38859704, 77719408]

約数ペア:

[(1, 77719408), (2, 38859704), (4, 19429852), (8, 9714926), (13, 5978416), (16, 4857463), (26, 2989208), (52, 1494604), (104, 747302), (208, 373651), (491, 158288), (761, 102128), (982, 79144), (1522, 51064), (1964, 39572), (3044, 25532), (3928, 19786), (6088, 12766), (6383, 12176), (7856, 9893)]