81120704

素因数分解:

$2^6\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4211}}^1$

素因数の和:4273

約数の個数: 56

約数和(自身を含む): 188293248

約数和(自身を除く): 107172544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 172, 224, 301, 344, 448, 602, 688, 1204, 1376, 2408, 2752, 4211, 4816, 8422, 9632, 16844, 19264, 29477, 33688, 58954, 67376, 117908, 134752, 181073, 235816, 269504, 362146, 471632, 724292, 943264, 1267511, 1448584, 1886528, 2535022, 2897168, 5070044, 5794336, 10140088, 11588672, 20280176, 40560352, 81120704]

約数ペア:

[(1, 81120704), (2, 40560352), (4, 20280176), (7, 11588672), (8, 10140088), (14, 5794336), (16, 5070044), (28, 2897168), (32, 2535022), (43, 1886528), (56, 1448584), (64, 1267511), (86, 943264), (112, 724292), (172, 471632), (224, 362146), (301, 269504), (344, 235816), (448, 181073), (602, 134752), (688, 117908), (1204, 67376), (1376, 58954), (2408, 33688), (2752, 29477), (4211, 19264), (4816, 16844), (8422, 9632)]