157219205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 238049280

約数和(自身を除く): 80830075

約数列:

[1, 5, 11, 13, 19, 55, 65, 71, 95, 143, 163, 209, 247, 355, 715, 781, 815, 923, 1045, 1235, 1349, 1793, 2119, 2717, 3097, 3905, 4615, 6745, 8965, 10153, 10595, 11573, 13585, 14839, 15485, 17537, 23309, 34067, 40261, 50765, 57865, 74195, 87685, 116545, 127303, 150449, 170335, 192907, 201305, 219887, 442871, 636515, 752245, 964535, 1099435, 1654939, 2214355, 2418757, 2858531, 8274695, 12093785, 14292655, 31443841, 157219205]

約数ペア:

[(1, 157219205), (5, 31443841), (11, 14292655), (13, 12093785), (19, 8274695), (55, 2858531), (65, 2418757), (71, 2214355), (95, 1654939), (143, 1099435), (163, 964535), (209, 752245), (247, 636515), (355, 442871), (715, 219887), (781, 201305), (815, 192907), (923, 170335), (1045, 150449), (1235, 127303), (1349, 116545), (1793, 87685), (2119, 74195), (2717, 57865), (3097, 50765), (3905, 40261), (4615, 34067), (6745, 23309), (8965, 17537), (10153, 15485), (10595, 14839), (11573, 13585)]