55978475

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{173}}^1$

素因数の和:276

約数の個数: 36

約数和(自身を含む): 81686736

約数和(自身を除く): 25708261

約数列:

[1, 5, 7, 25, 35, 43, 173, 175, 215, 301, 865, 1075, 1211, 1505, 1849, 4325, 6055, 7439, 7525, 9245, 12943, 30275, 37195, 46225, 52073, 64715, 185975, 260365, 319877, 323575, 1301825, 1599385, 2239139, 7996925, 11195695, 55978475]

約数ペア:

[(1, 55978475), (5, 11195695), (7, 7996925), (25, 2239139), (35, 1599385), (43, 1301825), (173, 323575), (175, 319877), (215, 260365), (301, 185975), (865, 64715), (1075, 52073), (1211, 46225), (1505, 37195), (1849, 30275), (4325, 12943), (6055, 9245), (7439, 7525)]