8471215

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:151

約数の個数: 24

約数和(自身を含む): 11010384

約数和(自身を除く): 2539169

約数列:

[1, 5, 31, 41, 43, 155, 205, 215, 961, 1271, 1333, 1763, 4805, 6355, 6665, 8815, 39401, 41323, 54653, 197005, 206615, 273265, 1694243, 8471215]

約数ペア:

[(1, 8471215), (5, 1694243), (31, 273265), (41, 206615), (43, 197005), (155, 54653), (205, 41323), (215, 39401), (961, 8815), (1271, 6665), (1333, 6355), (1763, 4805)]