813072416

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^2$

素因数の和:442

約数の個数: 72

約数和(自身を含む): 1761973164

約数和(自身を除く): 948900748

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 179, 208, 244, 358, 416, 488, 716, 793, 976, 1432, 1586, 1952, 2327, 2864, 3172, 4654, 5728, 6344, 9308, 10919, 12688, 18616, 21838, 25376, 32041, 37232, 43676, 64082, 74464, 87352, 128164, 141947, 174704, 256328, 283894, 349408, 416533, 512656, 567788, 833066, 1025312, 1135576, 1666132, 1954501, 2271152, 3332264, 3909002, 4542304, 6664528, 7818004, 13329056, 15636008, 25408513, 31272016, 50817026, 62544032, 101634052, 203268104, 406536208, 813072416]

約数ペア:

[(1, 813072416), (2, 406536208), (4, 203268104), (8, 101634052), (13, 62544032), (16, 50817026), (26, 31272016), (32, 25408513), (52, 15636008), (61, 13329056), (104, 7818004), (122, 6664528), (179, 4542304), (208, 3909002), (244, 3332264), (358, 2271152), (416, 1954501), (488, 1666132), (716, 1135576), (793, 1025312), (976, 833066), (1432, 567788), (1586, 512656), (1952, 416533), (2327, 349408), (2864, 283894), (3172, 256328), (4654, 174704), (5728, 141947), (6344, 128164), (9308, 87352), (10919, 74464), (12688, 64082), (18616, 43676), (21838, 37232), (25376, 32041)]