197949025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{617}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 252655704

約数和(自身を除く): 54706679

約数列:

[1, 5, 25, 41, 205, 313, 617, 1025, 1565, 3085, 7825, 12833, 15425, 25297, 64165, 126485, 193121, 320825, 632425, 965605, 4828025, 7917961, 39589805, 197949025]

約数ペア:

[(1, 197949025), (5, 39589805), (25, 7917961), (41, 4828025), (205, 965605), (313, 632425), (617, 320825), (1025, 193121), (1565, 126485), (3085, 64165), (7825, 25297), (12833, 15425)]