225981217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1523}}^1$

素因数の和:1629

約数の個数: 32

約数和(自身を含む): 294948864

約数和(自身を除く): 68967647

約数列:

[1, 7, 11, 41, 47, 77, 287, 329, 451, 517, 1523, 1927, 3157, 3619, 10661, 13489, 16753, 21197, 62443, 71581, 117271, 148379, 437101, 501067, 686873, 787391, 2934821, 4808111, 5511737, 20543747, 32283031, 225981217]

約数ペア:

[(1, 225981217), (7, 32283031), (11, 20543747), (41, 5511737), (47, 4808111), (77, 2934821), (287, 787391), (329, 686873), (451, 501067), (517, 437101), (1523, 148379), (1927, 117271), (3157, 71581), (3619, 62443), (10661, 21197), (13489, 16753)]