245198055

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 438939648

約数和(自身を除く): 193741593

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 97, 115, 255, 291, 345, 391, 431, 485, 1173, 1293, 1455, 1649, 1955, 2155, 2231, 4947, 5865, 6465, 6693, 7327, 8245, 9913, 11155, 21981, 24735, 29739, 33465, 36635, 37927, 41807, 49565, 109905, 113781, 125421, 148695, 168521, 189635, 209035, 505563, 568905, 627105, 710719, 842605, 961561, 2132157, 2527815, 2884683, 3553595, 4807805, 10660785, 14423415, 16346537, 49039611, 81732685, 245198055]

約数ペア:

[(1, 245198055), (3, 81732685), (5, 49039611), (15, 16346537), (17, 14423415), (23, 10660785), (51, 4807805), (69, 3553595), (85, 2884683), (97, 2527815), (115, 2132157), (255, 961561), (291, 842605), (345, 710719), (391, 627105), (431, 568905), (485, 505563), (1173, 209035), (1293, 189635), (1455, 168521), (1649, 148695), (1955, 125421), (2155, 113781), (2231, 109905), (4947, 49565), (5865, 41807), (6465, 37927), (6693, 36635), (7327, 33465), (8245, 29739), (9913, 24735), (11155, 21981)]