28813225

素因数分解:

$5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:614

約数の個数: 36

約数和(自身を含む): 42605904

約数和(自身を除く): 13792679

約数列:

[1, 5, 7, 25, 35, 43, 49, 175, 215, 245, 301, 547, 1075, 1225, 1505, 2107, 2735, 3829, 7525, 10535, 13675, 19145, 23521, 26803, 52675, 95725, 117605, 134015, 164647, 588025, 670075, 823235, 1152529, 4116175, 5762645, 28813225]

約数ペア:

[(1, 28813225), (5, 5762645), (7, 4116175), (25, 1152529), (35, 823235), (43, 670075), (49, 588025), (175, 164647), (215, 134015), (245, 117605), (301, 95725), (547, 52675), (1075, 26803), (1225, 23521), (1505, 19145), (2107, 13675), (2735, 10535), (3829, 7525)]