25331696

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121787}}^1$

素因数の和:121808

約数の個数: 20

約数和(自身を含む): 52855992

約数和(自身を除く): 27524296

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121787, 243574, 487148, 974296, 1583231, 1948592, 3166462, 6332924, 12665848, 25331696]

約数ペア:

[(1, 25331696), (2, 12665848), (4, 6332924), (8, 3166462), (13, 1948592), (16, 1583231), (26, 974296), (52, 487148), (104, 243574), (208, 121787)]