25993825

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:706

約数の個数: 36

約数和(自身を含む): 38211964

約数和(自身を除く): 12218139

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 143, 275, 325, 605, 661, 715, 1573, 3025, 3305, 3575, 7271, 7865, 8593, 16525, 36355, 39325, 42965, 79981, 94523, 181775, 214825, 399905, 472615, 1039753, 1999525, 2363075, 5198765, 25993825]

約数ペア:

[(1, 25993825), (5, 5198765), (11, 2363075), (13, 1999525), (25, 1039753), (55, 472615), (65, 399905), (121, 214825), (143, 181775), (275, 94523), (325, 79981), (605, 42965), (661, 39325), (715, 36355), (1573, 16525), (3025, 8593), (3305, 7865), (3575, 7271)]