25379728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{144203}}^1$

素因数の和:144222

約数の個数: 20

約数和(自身を含む): 53643888

約数和(自身を除く): 28264160

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 144203, 288406, 576812, 1153624, 1586233, 2307248, 3172466, 6344932, 12689864, 25379728]

約数ペア:

[(1, 25379728), (2, 12689864), (4, 6344932), (8, 3172466), (11, 2307248), (16, 1586233), (22, 1153624), (44, 576812), (88, 288406), (176, 144203)]