128556752

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 274268160

約数和(自身を除く): 145711408

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 59, 62, 92, 118, 124, 184, 191, 236, 248, 368, 382, 472, 496, 713, 764, 944, 1357, 1426, 1528, 1829, 2714, 2852, 3056, 3658, 4393, 5428, 5704, 5921, 7316, 8786, 10856, 11269, 11408, 11842, 14632, 17572, 21712, 22538, 23684, 29264, 35144, 42067, 45076, 47368, 70288, 84134, 90152, 94736, 136183, 168268, 180304, 259187, 272366, 336536, 349339, 518374, 544732, 673072, 698678, 1036748, 1089464, 1397356, 2073496, 2178928, 2794712, 4146992, 5589424, 8034797, 16069594, 32139188, 64278376, 128556752]

約数ペア:

[(1, 128556752), (2, 64278376), (4, 32139188), (8, 16069594), (16, 8034797), (23, 5589424), (31, 4146992), (46, 2794712), (59, 2178928), (62, 2073496), (92, 1397356), (118, 1089464), (124, 1036748), (184, 698678), (191, 673072), (236, 544732), (248, 518374), (368, 349339), (382, 336536), (472, 272366), (496, 259187), (713, 180304), (764, 168268), (944, 136183), (1357, 94736), (1426, 90152), (1528, 84134), (1829, 70288), (2714, 47368), (2852, 45076), (3056, 42067), (3658, 35144), (4393, 29264), (5428, 23684), (5704, 22538), (5921, 21712), (7316, 17572), (8786, 14632), (10856, 11842), (11269, 11408)]