201917828

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{953}}^1$

素因数の和:1041

約数の個数: 72

約数和(自身を含む): 438504192

約数和(自身を除く): 236586364

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 49, 92, 94, 98, 161, 188, 196, 322, 329, 644, 658, 953, 1081, 1127, 1316, 1906, 2162, 2254, 2303, 3812, 4324, 4508, 4606, 6671, 7567, 9212, 13342, 15134, 21919, 26684, 30268, 43838, 44791, 46697, 52969, 87676, 89582, 93394, 105938, 153433, 179164, 186788, 211876, 306866, 313537, 613732, 627074, 1030193, 1074031, 1254148, 2060386, 2148062, 2194759, 4120772, 4296124, 4389518, 7211351, 8779036, 14422702, 28845404, 50479457, 100958914, 201917828]

約数ペア:

[(1, 201917828), (2, 100958914), (4, 50479457), (7, 28845404), (14, 14422702), (23, 8779036), (28, 7211351), (46, 4389518), (47, 4296124), (49, 4120772), (92, 2194759), (94, 2148062), (98, 2060386), (161, 1254148), (188, 1074031), (196, 1030193), (322, 627074), (329, 613732), (644, 313537), (658, 306866), (953, 211876), (1081, 186788), (1127, 179164), (1316, 153433), (1906, 105938), (2162, 93394), (2254, 89582), (2303, 87676), (3812, 52969), (4324, 46697), (4508, 44791), (4606, 43838), (6671, 30268), (7567, 26684), (9212, 21919), (13342, 15134)]