179968019

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 243613440

約数和(自身を除く): 63645421

約数列:

[1, 7, 11, 19, 53, 77, 121, 133, 209, 211, 371, 583, 847, 1007, 1463, 1477, 2299, 2321, 4009, 4081, 6413, 7049, 11077, 11183, 16093, 16247, 25531, 28063, 44099, 44891, 77539, 78281, 121847, 123013, 178717, 212477, 308693, 485089, 852929, 861091, 1353143, 1487339, 2337247, 3395623, 9472001, 16360729, 25709717, 179968019]

約数ペア:

[(1, 179968019), (7, 25709717), (11, 16360729), (19, 9472001), (53, 3395623), (77, 2337247), (121, 1487339), (133, 1353143), (209, 861091), (211, 852929), (371, 485089), (583, 308693), (847, 212477), (1007, 178717), (1463, 123013), (1477, 121847), (2299, 78281), (2321, 77539), (4009, 44891), (4081, 44099), (6413, 28063), (7049, 25531), (11077, 16247), (11183, 16093)]