217705248

素因数分解:

$2^5\times 3^2\times {\mathrm{97}}^1\times {\mathrm{7793}}^1$

素因数の和:7906

約数の個数: 72

約数和(自身を含む): 625562028

約数和(自身を除く): 407856780

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 97, 144, 194, 288, 291, 388, 582, 776, 873, 1164, 1552, 1746, 2328, 3104, 3492, 4656, 6984, 7793, 9312, 13968, 15586, 23379, 27936, 31172, 46758, 62344, 70137, 93516, 124688, 140274, 187032, 249376, 280548, 374064, 561096, 748128, 755921, 1122192, 1511842, 2244384, 2267763, 3023684, 4535526, 6047368, 6803289, 9071052, 12094736, 13606578, 18142104, 24189472, 27213156, 36284208, 54426312, 72568416, 108852624, 217705248]

約数ペア:

[(1, 217705248), (2, 108852624), (3, 72568416), (4, 54426312), (6, 36284208), (8, 27213156), (9, 24189472), (12, 18142104), (16, 13606578), (18, 12094736), (24, 9071052), (32, 6803289), (36, 6047368), (48, 4535526), (72, 3023684), (96, 2267763), (97, 2244384), (144, 1511842), (194, 1122192), (288, 755921), (291, 748128), (388, 561096), (582, 374064), (776, 280548), (873, 249376), (1164, 187032), (1552, 140274), (1746, 124688), (2328, 93516), (3104, 70137), (3492, 62344), (4656, 46758), (6984, 31172), (7793, 27936), (9312, 23379), (13968, 15586)]