1638071736

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{71171}}^1$

素因数の和:71324

約数の個数: 64

約数和(自身を含む): 4714433280

約数和(自身を除く): 3076361544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 137, 168, 274, 411, 548, 822, 959, 1096, 1644, 1918, 2877, 3288, 3836, 5754, 7672, 11508, 23016, 71171, 142342, 213513, 284684, 427026, 498197, 569368, 854052, 996394, 1494591, 1708104, 1992788, 2989182, 3985576, 5978364, 9750427, 11956728, 19500854, 29251281, 39001708, 58502562, 68252989, 78003416, 117005124, 136505978, 204758967, 234010248, 273011956, 409517934, 546023912, 819035868, 1638071736]

約数ペア:

[(1, 1638071736), (2, 819035868), (3, 546023912), (4, 409517934), (6, 273011956), (7, 234010248), (8, 204758967), (12, 136505978), (14, 117005124), (21, 78003416), (24, 68252989), (28, 58502562), (42, 39001708), (56, 29251281), (84, 19500854), (137, 11956728), (168, 9750427), (274, 5978364), (411, 3985576), (548, 2989182), (822, 1992788), (959, 1708104), (1096, 1494591), (1644, 996394), (1918, 854052), (2877, 569368), (3288, 498197), (3836, 427026), (5754, 284684), (7672, 213513), (11508, 142342), (23016, 71171)]