216456955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3121}}^1$

素因数の和:3247

約数の個数: 32

約数和(自身を含む): 308403648

約数和(自身を除く): 91946693

約数列:

[1, 5, 11, 13, 55, 65, 97, 143, 485, 715, 1067, 1261, 3121, 5335, 6305, 13871, 15605, 34331, 40573, 69355, 171655, 202865, 302737, 446303, 1513685, 2231515, 3330107, 3935581, 16650535, 19677905, 43291391, 216456955]

約数ペア:

[(1, 216456955), (5, 43291391), (11, 19677905), (13, 16650535), (55, 3935581), (65, 3330107), (97, 2231515), (143, 1513685), (485, 446303), (715, 302737), (1067, 202865), (1261, 171655), (3121, 69355), (5335, 40573), (6305, 34331), (13871, 15605)]