25438556

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{311}}^1$

素因数の和:363

約数の個数: 54

約数和(自身を含む): 53156376

約数和(自身を除く): 27717820

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 169, 242, 286, 311, 338, 484, 572, 622, 676, 1244, 1573, 1859, 3146, 3421, 3718, 4043, 6292, 6842, 7436, 8086, 13684, 16172, 20449, 37631, 40898, 44473, 52559, 75262, 81796, 88946, 105118, 150524, 177892, 210236, 489203, 578149, 978406, 1156298, 1956812, 2312596, 6359639, 12719278, 25438556]

約数ペア:

[(1, 25438556), (2, 12719278), (4, 6359639), (11, 2312596), (13, 1956812), (22, 1156298), (26, 978406), (44, 578149), (52, 489203), (121, 210236), (143, 177892), (169, 150524), (242, 105118), (286, 88946), (311, 81796), (338, 75262), (484, 52559), (572, 44473), (622, 40898), (676, 37631), (1244, 20449), (1573, 16172), (1859, 13684), (3146, 8086), (3421, 7436), (3718, 6842), (4043, 6292)]