1208921189

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{18289}}^1$

素因数の和:18393

約数の個数: 24

約数和(自身を含む): 1501243200

約数和(自身を除く): 292322011

約数列:

[1, 7, 19, 49, 71, 133, 497, 931, 1349, 3479, 9443, 18289, 66101, 128023, 347491, 896161, 1298519, 2432437, 9089633, 17027059, 24671861, 63627431, 172703027, 1208921189]

約数ペア:

[(1, 1208921189), (7, 172703027), (19, 63627431), (49, 24671861), (71, 17027059), (133, 9089633), (497, 2432437), (931, 1298519), (1349, 896161), (3479, 347491), (9443, 128023), (18289, 66101)]