28264245

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 18305355

約数列:

[1, 3, 5, 15, 59, 109, 177, 293, 295, 327, 545, 879, 885, 1465, 1635, 4395, 6431, 17287, 19293, 31937, 32155, 51861, 86435, 95811, 96465, 159685, 259305, 479055, 1884283, 5652849, 9421415, 28264245]

約数ペア:

[(1, 28264245), (3, 9421415), (5, 5652849), (15, 1884283), (59, 479055), (109, 259305), (177, 159685), (293, 96465), (295, 95811), (327, 86435), (545, 51861), (879, 32155), (885, 31937), (1465, 19293), (1635, 17287), (4395, 6431)]