71215325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{479}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 93446400

約数和(自身を除く): 22231075

約数列:

[1, 5, 19, 25, 95, 313, 475, 479, 1565, 2395, 5947, 7825, 9101, 11975, 29735, 45505, 148675, 149927, 227525, 749635, 2848613, 3748175, 14243065, 71215325]

約数ペア:

[(1, 71215325), (5, 14243065), (19, 3748175), (25, 2848613), (95, 749635), (313, 227525), (475, 149927), (479, 148675), (1565, 45505), (2395, 29735), (5947, 11975), (7825, 9101)]