688974

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:113

約数の個数: 48

約数和(自身を含む): 1653456

約数和(自身を除く): 964482

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 73, 78, 121, 143, 146, 219, 242, 286, 363, 429, 438, 726, 803, 858, 949, 1573, 1606, 1898, 2409, 2847, 3146, 4719, 4818, 5694, 8833, 9438, 10439, 17666, 20878, 26499, 31317, 52998, 62634, 114829, 229658, 344487, 688974]

約数ペア:

[(1, 688974), (2, 344487), (3, 229658), (6, 114829), (11, 62634), (13, 52998), (22, 31317), (26, 26499), (33, 20878), (39, 17666), (66, 10439), (73, 9438), (78, 8833), (121, 5694), (143, 4818), (146, 4719), (219, 3146), (242, 2847), (286, 2409), (363, 1898), (429, 1606), (438, 1573), (726, 949), (803, 858)]