81851924

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 191600640

約数和(自身を除く): 109748716

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 71, 76, 77, 133, 142, 154, 197, 209, 266, 284, 308, 394, 418, 497, 532, 781, 788, 836, 994, 1349, 1379, 1463, 1562, 1988, 2167, 2698, 2758, 2926, 3124, 3743, 4334, 5396, 5467, 5516, 5852, 7486, 8668, 9443, 10934, 13987, 14839, 14972, 15169, 18886, 21868, 26201, 27974, 29678, 30338, 37772, 41173, 52402, 55948, 59356, 60676, 82346, 97909, 103873, 104804, 153857, 164692, 195818, 207746, 265753, 288211, 307714, 391636, 415492, 531506, 576422, 615428, 1063012, 1076999, 1152844, 1860271, 2153998, 2923283, 3720542, 4307996, 5846566, 7441084, 11693132, 20462981, 40925962, 81851924]

約数ペア:

[(1, 81851924), (2, 40925962), (4, 20462981), (7, 11693132), (11, 7441084), (14, 5846566), (19, 4307996), (22, 3720542), (28, 2923283), (38, 2153998), (44, 1860271), (71, 1152844), (76, 1076999), (77, 1063012), (133, 615428), (142, 576422), (154, 531506), (197, 415492), (209, 391636), (266, 307714), (284, 288211), (308, 265753), (394, 207746), (418, 195818), (497, 164692), (532, 153857), (781, 104804), (788, 103873), (836, 97909), (994, 82346), (1349, 60676), (1379, 59356), (1463, 55948), (1562, 52402), (1988, 41173), (2167, 37772), (2698, 30338), (2758, 29678), (2926, 27974), (3124, 26201), (3743, 21868), (4334, 18886), (5396, 15169), (5467, 14972), (5516, 14839), (5852, 13987), (7486, 10934), (8668, 9443)]