23521715

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 35896320

約数和(自身を除く): 12374605

約数列:

[1, 5, 7, 19, 31, 35, 49, 95, 133, 155, 163, 217, 245, 589, 665, 815, 931, 1085, 1141, 1519, 2945, 3097, 4123, 4655, 5053, 5705, 7595, 7987, 15485, 20615, 21679, 25265, 28861, 35371, 39935, 96007, 108395, 144305, 151753, 176855, 247597, 480035, 672049, 758765, 1237985, 3360245, 4704343, 23521715]

約数ペア:

[(1, 23521715), (5, 4704343), (7, 3360245), (19, 1237985), (31, 758765), (35, 672049), (49, 480035), (95, 247597), (133, 176855), (155, 151753), (163, 144305), (217, 108395), (245, 96007), (589, 39935), (665, 35371), (815, 28861), (931, 25265), (1085, 21679), (1141, 20615), (1519, 15485), (2945, 7987), (3097, 7595), (4123, 5705), (4655, 5053)]