13445225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 17707200

約数和(自身を除く): 4261975

約数列:

[1, 5, 23, 25, 67, 115, 335, 349, 575, 1541, 1675, 1745, 7705, 8027, 8725, 23383, 38525, 40135, 116915, 200675, 537809, 584575, 2689045, 13445225]

約数ペア:

[(1, 13445225), (5, 2689045), (23, 584575), (25, 537809), (67, 200675), (115, 116915), (335, 40135), (349, 38525), (575, 23383), (1541, 8725), (1675, 8027), (1745, 7705)]