81456704

素因数分解:

$2^6\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1051}}^1$

素因数の和:1243

約数の個数: 56

約数和(自身を含む): 185976768

約数和(自身を除く): 104520064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 173, 224, 346, 448, 692, 1051, 1211, 1384, 2102, 2422, 2768, 4204, 4844, 5536, 7357, 8408, 9688, 11072, 14714, 16816, 19376, 29428, 33632, 38752, 58856, 67264, 77504, 117712, 181823, 235424, 363646, 470848, 727292, 1272761, 1454584, 2545522, 2909168, 5091044, 5818336, 10182088, 11636672, 20364176, 40728352, 81456704]

約数ペア:

[(1, 81456704), (2, 40728352), (4, 20364176), (7, 11636672), (8, 10182088), (14, 5818336), (16, 5091044), (28, 2909168), (32, 2545522), (56, 1454584), (64, 1272761), (112, 727292), (173, 470848), (224, 363646), (346, 235424), (448, 181823), (692, 117712), (1051, 77504), (1211, 67264), (1384, 58856), (2102, 38752), (2422, 33632), (2768, 29428), (4204, 19376), (4844, 16816), (5536, 14714), (7357, 11072), (8408, 9688)]