644962688

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 1428848640

約数和(自身を除く): 783885952

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 37, 46, 62, 64, 74, 92, 124, 128, 148, 184, 191, 248, 296, 368, 382, 496, 592, 713, 736, 764, 851, 992, 1147, 1184, 1426, 1472, 1528, 1702, 1984, 2294, 2368, 2852, 2944, 3056, 3404, 3968, 4393, 4588, 4736, 5704, 5921, 6112, 6808, 7067, 8786, 9176, 11408, 11842, 12224, 13616, 14134, 17572, 18352, 22816, 23684, 24448, 26381, 27232, 28268, 35144, 36704, 45632, 47368, 52762, 54464, 56536, 70288, 73408, 91264, 94736, 105524, 108928, 113072, 136183, 140576, 146816, 162541, 189472, 211048, 219077, 226144, 272366, 281152, 325082, 378944, 422096, 438154, 452288, 544732, 562304, 650164, 757888, 844192, 876308, 904576, 1089464, 1300328, 1688384, 1752616, 2178928, 2600656, 3376768, 3505232, 4357856, 5038771, 5201312, 7010464, 8715712, 10077542, 10402624, 14020928, 17431424, 20155084, 20805248, 28041856, 40310168, 80620336, 161240672, 322481344, 644962688]

約数ペア:

[(1, 644962688), (2, 322481344), (4, 161240672), (8, 80620336), (16, 40310168), (23, 28041856), (31, 20805248), (32, 20155084), (37, 17431424), (46, 14020928), (62, 10402624), (64, 10077542), (74, 8715712), (92, 7010464), (124, 5201312), (128, 5038771), (148, 4357856), (184, 3505232), (191, 3376768), (248, 2600656), (296, 2178928), (368, 1752616), (382, 1688384), (496, 1300328), (592, 1089464), (713, 904576), (736, 876308), (764, 844192), (851, 757888), (992, 650164), (1147, 562304), (1184, 544732), (1426, 452288), (1472, 438154), (1528, 422096), (1702, 378944), (1984, 325082), (2294, 281152), (2368, 272366), (2852, 226144), (2944, 219077), (3056, 211048), (3404, 189472), (3968, 162541), (4393, 146816), (4588, 140576), (4736, 136183), (5704, 113072), (5921, 108928), (6112, 105524), (6808, 94736), (7067, 91264), (8786, 73408), (9176, 70288), (11408, 56536), (11842, 54464), (12224, 52762), (13616, 47368), (14134, 45632), (17572, 36704), (18352, 35144), (22816, 28268), (23684, 27232), (24448, 26381)]