199947055

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 311334912

約数和(自身を除く): 111387857

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 121, 155, 217, 341, 385, 605, 847, 1085, 1523, 1705, 2387, 3751, 4235, 7615, 10661, 11935, 16753, 18755, 26257, 47213, 53305, 83765, 117271, 131285, 184283, 236065, 330491, 519343, 586355, 921415, 1289981, 1652455, 2596715, 3635401, 5712773, 6449905, 18177005, 28563865, 39989411, 199947055]

約数ペア:

[(1, 199947055), (5, 39989411), (7, 28563865), (11, 18177005), (31, 6449905), (35, 5712773), (55, 3635401), (77, 2596715), (121, 1652455), (155, 1289981), (217, 921415), (341, 586355), (385, 519343), (605, 330491), (847, 236065), (1085, 184283), (1523, 131285), (1705, 117271), (2387, 83765), (3751, 53305), (4235, 47213), (7615, 26257), (10661, 18755), (11935, 16753)]