220185581

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2851}}^1$

素因数の和:2945

約数の個数: 32

約数和(自身を含む): 295695360

約数和(自身を除く): 75509779

約数列:

[1, 7, 11, 17, 59, 77, 119, 187, 413, 649, 1003, 1309, 2851, 4543, 7021, 11033, 19957, 31361, 48467, 77231, 168209, 219527, 339269, 533137, 1177463, 1850299, 2859553, 3731959, 12952093, 20016871, 31455083, 220185581]

約数ペア:

[(1, 220185581), (7, 31455083), (11, 20016871), (17, 12952093), (59, 3731959), (77, 2859553), (119, 1850299), (187, 1177463), (413, 533137), (649, 339269), (1003, 219527), (1309, 168209), (2851, 77231), (4543, 48467), (7021, 31361), (11033, 19957)]