28622275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 41559840

約数和(自身を除く): 12937565

約数列:

[1, 5, 11, 25, 29, 37, 55, 97, 145, 185, 275, 319, 407, 485, 725, 925, 1067, 1073, 1595, 2035, 2425, 2813, 3589, 5335, 5365, 7975, 10175, 11803, 14065, 17945, 26675, 26825, 30943, 39479, 59015, 70325, 89725, 104081, 154715, 197395, 295075, 520405, 773575, 986975, 1144891, 2602025, 5724455, 28622275]

約数ペア:

[(1, 28622275), (5, 5724455), (11, 2602025), (25, 1144891), (29, 986975), (37, 773575), (55, 520405), (97, 295075), (145, 197395), (185, 154715), (275, 104081), (319, 89725), (407, 70325), (485, 59015), (725, 39479), (925, 30943), (1067, 26825), (1073, 26675), (1595, 17945), (2035, 14065), (2425, 11803), (2813, 10175), (3589, 7975), (5335, 5365)]