661347808

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{2719}}^1$

素因数の和:3431

約数の個数: 48

約数和(自身を含む): 1422973440

約数和(自身を除く): 761625632

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 691, 1382, 2719, 2764, 5438, 5528, 7601, 10876, 11056, 15202, 21752, 22112, 29909, 30404, 43504, 59818, 60808, 87008, 119636, 121616, 239272, 243232, 478544, 957088, 1878829, 3757658, 7515316, 15030632, 20667119, 30061264, 41334238, 60122528, 82668476, 165336952, 330673904, 661347808]

約数ペア:

[(1, 661347808), (2, 330673904), (4, 165336952), (8, 82668476), (11, 60122528), (16, 41334238), (22, 30061264), (32, 20667119), (44, 15030632), (88, 7515316), (176, 3757658), (352, 1878829), (691, 957088), (1382, 478544), (2719, 243232), (2764, 239272), (5438, 121616), (5528, 119636), (7601, 87008), (10876, 60808), (11056, 59818), (15202, 43504), (21752, 30404), (22112, 29909)]