217480384

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:342

約数の個数: 112

約数和(自身を含む): 504748800

約数和(自身を除く): 287268416

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 71, 76, 88, 142, 152, 176, 209, 229, 284, 304, 352, 418, 458, 568, 608, 704, 781, 836, 916, 1136, 1216, 1349, 1562, 1672, 1832, 2272, 2519, 2698, 3124, 3344, 3664, 4351, 4544, 5038, 5396, 6248, 6688, 7328, 8702, 10076, 10792, 12496, 13376, 14656, 14839, 16259, 17404, 20152, 21584, 24992, 29678, 32518, 34808, 40304, 43168, 47861, 49984, 59356, 65036, 69616, 80608, 86336, 95722, 118712, 130072, 139232, 161216, 178849, 191444, 237424, 260144, 278464, 308921, 357698, 382888, 474848, 520288, 617842, 715396, 765776, 949696, 1040576, 1235684, 1430792, 1531552, 2471368, 2861584, 3063104, 3398131, 4942736, 5723168, 6796262, 9885472, 11446336, 13592524, 19770944, 27185048, 54370096, 108740192, 217480384]

約数ペア:

[(1, 217480384), (2, 108740192), (4, 54370096), (8, 27185048), (11, 19770944), (16, 13592524), (19, 11446336), (22, 9885472), (32, 6796262), (38, 5723168), (44, 4942736), (64, 3398131), (71, 3063104), (76, 2861584), (88, 2471368), (142, 1531552), (152, 1430792), (176, 1235684), (209, 1040576), (229, 949696), (284, 765776), (304, 715396), (352, 617842), (418, 520288), (458, 474848), (568, 382888), (608, 357698), (704, 308921), (781, 278464), (836, 260144), (916, 237424), (1136, 191444), (1216, 178849), (1349, 161216), (1562, 139232), (1672, 130072), (1832, 118712), (2272, 95722), (2519, 86336), (2698, 80608), (3124, 69616), (3344, 65036), (3664, 59356), (4351, 49984), (4544, 47861), (5038, 43168), (5396, 40304), (6248, 34808), (6688, 32518), (7328, 29678), (8702, 24992), (10076, 21584), (10792, 20152), (12496, 17404), (13376, 16259), (14656, 14839)]