81529756

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 196826112

約数和(自身を除く): 115296356

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 23, 28, 34, 44, 46, 68, 77, 92, 119, 154, 161, 187, 238, 253, 308, 322, 374, 391, 476, 506, 644, 677, 748, 782, 1012, 1309, 1354, 1564, 1771, 2618, 2708, 2737, 3542, 4301, 4739, 5236, 5474, 7084, 7447, 8602, 9478, 10948, 11509, 14894, 15571, 17204, 18956, 23018, 29788, 30107, 31142, 46036, 52129, 60214, 62284, 80563, 104258, 108997, 120428, 126599, 161126, 171281, 208516, 217994, 253198, 264707, 322252, 342562, 435988, 506396, 529414, 685124, 886193, 1058828, 1198967, 1772386, 1852949, 2397934, 2911777, 3544772, 3705898, 4795868, 5823554, 7411796, 11647108, 20382439, 40764878, 81529756]

約数ペア:

[(1, 81529756), (2, 40764878), (4, 20382439), (7, 11647108), (11, 7411796), (14, 5823554), (17, 4795868), (22, 3705898), (23, 3544772), (28, 2911777), (34, 2397934), (44, 1852949), (46, 1772386), (68, 1198967), (77, 1058828), (92, 886193), (119, 685124), (154, 529414), (161, 506396), (187, 435988), (238, 342562), (253, 322252), (308, 264707), (322, 253198), (374, 217994), (391, 208516), (476, 171281), (506, 161126), (644, 126599), (677, 120428), (748, 108997), (782, 104258), (1012, 80563), (1309, 62284), (1354, 60214), (1564, 52129), (1771, 46036), (2618, 31142), (2708, 30107), (2737, 29788), (3542, 23018), (4301, 18956), (4739, 17204), (5236, 15571), (5474, 14894), (7084, 11509), (7447, 10948), (8602, 9478)]