8870225

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{557}}^1$

素因数の和:594

約数の個数: 36

約数和(自身を含む): 13803804

約数和(自身を除く): 4933579

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 455, 557, 637, 1225, 2275, 2785, 3185, 3899, 7241, 13925, 15925, 19495, 27293, 36205, 50687, 97475, 136465, 181025, 253435, 354809, 682325, 1267175, 1774045, 8870225]

約数ペア:

[(1, 8870225), (5, 1774045), (7, 1267175), (13, 682325), (25, 354809), (35, 253435), (49, 181025), (65, 136465), (91, 97475), (175, 50687), (245, 36205), (325, 27293), (455, 19495), (557, 15925), (637, 13925), (1225, 7241), (2275, 3899), (2785, 3185)]