199665851

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{653}}^1$

素因数の和:720

約数の個数: 36

約数和(自身を含む): 265121136

約数和(自身を除く): 65455285

約数列:

[1, 7, 11, 19, 77, 121, 133, 209, 361, 653, 847, 1463, 2299, 2527, 3971, 4571, 7183, 12407, 16093, 27797, 43681, 50281, 79013, 86849, 136477, 235733, 305767, 553091, 955339, 1501247, 1650131, 2593063, 10508729, 18151441, 28523693, 199665851]

約数ペア:

[(1, 199665851), (7, 28523693), (11, 18151441), (19, 10508729), (77, 2593063), (121, 1650131), (133, 1501247), (209, 955339), (361, 553091), (653, 305767), (847, 235733), (1463, 136477), (2299, 86849), (2527, 79013), (3971, 50281), (4571, 43681), (7183, 27797), (12407, 16093)]