16947385

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 27061776

約数和(自身を除く): 10114391

約数列:

[1, 5, 7, 13, 17, 35, 49, 65, 85, 91, 119, 221, 245, 313, 455, 595, 637, 833, 1105, 1547, 1565, 2191, 3185, 4069, 4165, 5321, 7735, 10829, 10955, 15337, 20345, 26605, 28483, 37247, 54145, 69173, 76685, 142415, 186235, 199381, 260729, 345865, 484211, 996905, 1303645, 2421055, 3389477, 16947385]

約数ペア:

[(1, 16947385), (5, 3389477), (7, 2421055), (13, 1303645), (17, 996905), (35, 484211), (49, 345865), (65, 260729), (85, 199381), (91, 186235), (119, 142415), (221, 76685), (245, 69173), (313, 54145), (455, 37247), (595, 28483), (637, 26605), (833, 20345), (1105, 15337), (1547, 10955), (1565, 10829), (2191, 7735), (3185, 5321), (4069, 4165)]