28693175

素因数分解:

$5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:480

約数の個数: 36

約数和(自身を含む): 42195960

約数和(自身を除く): 13502785

約数列:

[1, 5, 7, 25, 35, 49, 59, 175, 245, 295, 397, 413, 1225, 1475, 1985, 2065, 2779, 2891, 9925, 10325, 13895, 14455, 19453, 23423, 69475, 72275, 97265, 117115, 163961, 486325, 585575, 819805, 1147727, 4099025, 5738635, 28693175]

約数ペア:

[(1, 28693175), (5, 5738635), (7, 4099025), (25, 1147727), (35, 819805), (49, 585575), (59, 486325), (175, 163961), (245, 117115), (295, 97265), (397, 72275), (413, 69475), (1225, 23423), (1475, 19453), (1985, 14455), (2065, 13895), (2779, 10325), (2891, 9925)]