217920912

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1061}}^1$

素因数の和:1472

約数の個数: 80

約数和(自身を含む): 616299840

約数和(自身を除く): 398378928

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 389, 528, 778, 1061, 1167, 1556, 2122, 2334, 3112, 3183, 4244, 4279, 4668, 6224, 6366, 8488, 8558, 9336, 11671, 12732, 12837, 16976, 17116, 18672, 23342, 25464, 25674, 34232, 35013, 46684, 50928, 51348, 68464, 70026, 93368, 102696, 140052, 186736, 205392, 280104, 412729, 560208, 825458, 1238187, 1650916, 2476374, 3301832, 4540019, 4952748, 6603664, 9080038, 9905496, 13620057, 18160076, 19810992, 27240114, 36320152, 54480228, 72640304, 108960456, 217920912]

約数ペア:

[(1, 217920912), (2, 108960456), (3, 72640304), (4, 54480228), (6, 36320152), (8, 27240114), (11, 19810992), (12, 18160076), (16, 13620057), (22, 9905496), (24, 9080038), (33, 6603664), (44, 4952748), (48, 4540019), (66, 3301832), (88, 2476374), (132, 1650916), (176, 1238187), (264, 825458), (389, 560208), (528, 412729), (778, 280104), (1061, 205392), (1167, 186736), (1556, 140052), (2122, 102696), (2334, 93368), (3112, 70026), (3183, 68464), (4244, 51348), (4279, 50928), (4668, 46684), (6224, 35013), (6366, 34232), (8488, 25674), (8558, 25464), (9336, 23342), (11671, 18672), (12732, 17116), (12837, 16976)]