28216804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{317}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 65604672

約数和(自身を除く): 37387868

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 289, 308, 317, 374, 476, 578, 634, 748, 1156, 1268, 1309, 2023, 2219, 2618, 3179, 3487, 4046, 4438, 5236, 5389, 6358, 6974, 8092, 8876, 10778, 12716, 13948, 21556, 22253, 24409, 37723, 44506, 48818, 59279, 75446, 89012, 91613, 97636, 118558, 150892, 183226, 237116, 366452, 414953, 641291, 829906, 1007743, 1282582, 1659812, 2015486, 2565164, 4030972, 7054201, 14108402, 28216804]

約数ペア:

[(1, 28216804), (2, 14108402), (4, 7054201), (7, 4030972), (11, 2565164), (14, 2015486), (17, 1659812), (22, 1282582), (28, 1007743), (34, 829906), (44, 641291), (68, 414953), (77, 366452), (119, 237116), (154, 183226), (187, 150892), (238, 118558), (289, 97636), (308, 91613), (317, 89012), (374, 75446), (476, 59279), (578, 48818), (634, 44506), (748, 37723), (1156, 24409), (1268, 22253), (1309, 21556), (2023, 13948), (2219, 12716), (2618, 10778), (3179, 8876), (3487, 8092), (4046, 6974), (4438, 6358), (5236, 5389)]