71620225

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{283}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 91279872

約数和(自身を除く): 19659647

約数列:

[1, 5, 25, 53, 191, 265, 283, 955, 1325, 1415, 4775, 7075, 10123, 14999, 50615, 54053, 74995, 253075, 270265, 374975, 1351325, 2864809, 14324045, 71620225]

約数ペア:

[(1, 71620225), (5, 14324045), (25, 2864809), (53, 1351325), (191, 374975), (265, 270265), (283, 253075), (955, 74995), (1325, 54053), (1415, 50615), (4775, 14999), (7075, 10123)]