28303775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{619}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 36902400

約数和(自身を除く): 8598625

約数列:

[1, 5, 25, 31, 59, 155, 295, 619, 775, 1475, 1829, 3095, 9145, 15475, 19189, 36521, 45725, 95945, 182605, 479725, 913025, 1132151, 5660755, 28303775]

約数ペア:

[(1, 28303775), (5, 5660755), (25, 1132151), (31, 913025), (59, 479725), (155, 182605), (295, 95945), (619, 45725), (775, 36521), (1475, 19189), (1829, 15475), (3095, 9145)]