205121606

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 345325680

約数和(自身を除く): 140204074

約数列:

[1, 2, 19, 31, 38, 41, 62, 82, 137, 274, 589, 779, 961, 1178, 1271, 1558, 1922, 2542, 2603, 4247, 5206, 5617, 8494, 11234, 18259, 24149, 36518, 39401, 48298, 78802, 80693, 106723, 131657, 161386, 174127, 213446, 263314, 348254, 748619, 1497238, 2501483, 3308413, 5002966, 5397937, 6616826, 10795874, 102560803, 205121606]

約数ペア:

[(1, 205121606), (2, 102560803), (19, 10795874), (31, 6616826), (38, 5397937), (41, 5002966), (62, 3308413), (82, 2501483), (137, 1497238), (274, 748619), (589, 348254), (779, 263314), (961, 213446), (1178, 174127), (1271, 161386), (1558, 131657), (1922, 106723), (2542, 80693), (2603, 78802), (4247, 48298), (5206, 39401), (5617, 36518), (8494, 24149), (11234, 18259)]