90409072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{434659}}^1$

素因数の和:434680

約数の個数: 20

約数和(自身を含む): 188642440

約数和(自身を除く): 98233368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 434659, 869318, 1738636, 3477272, 5650567, 6954544, 11301134, 22602268, 45204536, 90409072]

約数ペア:

[(1, 90409072), (2, 45204536), (4, 22602268), (8, 11301134), (13, 6954544), (16, 5650567), (26, 3477272), (52, 1738636), (104, 869318), (208, 434659)]