2154836445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{1381}}^1$

素因数の和:1646

約数の個数: 64

約数和(自身を含む): 3797072640

約数和(自身を除く): 1642236195

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 211, 255, 435, 493, 633, 1055, 1381, 1479, 2465, 3165, 3587, 4143, 6119, 6905, 7395, 10761, 17935, 18357, 20715, 23477, 30595, 40049, 53805, 70431, 91785, 104023, 117385, 120147, 200245, 291391, 312069, 352155, 520115, 600735, 680833, 874173, 1456955, 1560345, 2042499, 3404165, 4370865, 4953647, 8450339, 10212495, 14860941, 24768235, 25351017, 42251695, 74304705, 126755085, 143655763, 430967289, 718278815, 2154836445]

約数ペア:

[(1, 2154836445), (3, 718278815), (5, 430967289), (15, 143655763), (17, 126755085), (29, 74304705), (51, 42251695), (85, 25351017), (87, 24768235), (145, 14860941), (211, 10212495), (255, 8450339), (435, 4953647), (493, 4370865), (633, 3404165), (1055, 2042499), (1381, 1560345), (1479, 1456955), (2465, 874173), (3165, 680833), (3587, 600735), (4143, 520115), (6119, 352155), (6905, 312069), (7395, 291391), (10761, 200245), (17935, 120147), (18357, 117385), (20715, 104023), (23477, 91785), (30595, 70431), (40049, 53805)]