287771264

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:422

約数の個数: 128

約数和(自身を含む): 681523200

約数和(自身を除く): 393751936

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 62, 64, 76, 88, 124, 128, 152, 176, 209, 248, 304, 341, 347, 352, 418, 496, 589, 608, 682, 694, 704, 836, 992, 1178, 1216, 1364, 1388, 1408, 1672, 1984, 2356, 2432, 2728, 2776, 3344, 3817, 3968, 4712, 5456, 5552, 6479, 6593, 6688, 7634, 9424, 10757, 10912, 11104, 12958, 13186, 13376, 15268, 18848, 21514, 21824, 22208, 25916, 26372, 26752, 30536, 37696, 43028, 43648, 44416, 51832, 52744, 61072, 72523, 75392, 86056, 103664, 105488, 118327, 122144, 145046, 172112, 204383, 207328, 210976, 236654, 244288, 290092, 344224, 408766, 414656, 421952, 473308, 488576, 580184, 688448, 817532, 829312, 843904, 946616, 1160368, 1376896, 1635064, 1893232, 2248213, 2320736, 3270128, 3786464, 4496426, 4641472, 6540256, 7572928, 8992852, 9282944, 13080512, 15145856, 17985704, 26161024, 35971408, 71942816, 143885632, 287771264]

約数ペア:

[(1, 287771264), (2, 143885632), (4, 71942816), (8, 35971408), (11, 26161024), (16, 17985704), (19, 15145856), (22, 13080512), (31, 9282944), (32, 8992852), (38, 7572928), (44, 6540256), (62, 4641472), (64, 4496426), (76, 3786464), (88, 3270128), (124, 2320736), (128, 2248213), (152, 1893232), (176, 1635064), (209, 1376896), (248, 1160368), (304, 946616), (341, 843904), (347, 829312), (352, 817532), (418, 688448), (496, 580184), (589, 488576), (608, 473308), (682, 421952), (694, 414656), (704, 408766), (836, 344224), (992, 290092), (1178, 244288), (1216, 236654), (1364, 210976), (1388, 207328), (1408, 204383), (1672, 172112), (1984, 145046), (2356, 122144), (2432, 118327), (2728, 105488), (2776, 103664), (3344, 86056), (3817, 75392), (3968, 72523), (4712, 61072), (5456, 52744), (5552, 51832), (6479, 44416), (6593, 43648), (6688, 43028), (7634, 37696), (9424, 30536), (10757, 26752), (10912, 26372), (11104, 25916), (12958, 22208), (13186, 21824), (13376, 21514), (15268, 18848)]