78539164

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{263}}^1\times {\mathrm{617}}^1$

素因数の和:906

約数の個数: 36

約数和(自身を含む): 151894512

約数和(自身を除く): 73355348

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 263, 484, 526, 617, 1052, 1234, 2468, 2893, 5786, 6787, 11572, 13574, 27148, 31823, 63646, 74657, 127292, 149314, 162271, 298628, 324542, 649084, 1784981, 3569962, 7139924, 19634791, 39269582, 78539164]

約数ペア:

[(1, 78539164), (2, 39269582), (4, 19634791), (11, 7139924), (22, 3569962), (44, 1784981), (121, 649084), (242, 324542), (263, 298628), (484, 162271), (526, 149314), (617, 127292), (1052, 74657), (1234, 63646), (2468, 31823), (2893, 27148), (5786, 13574), (6787, 11572)]