161999676

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:301

約数の個数: 90

約数和(自身を含む): 440629728

約数和(自身を除く): 278630052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 127, 162, 186, 254, 279, 324, 372, 381, 508, 558, 762, 837, 1116, 1143, 1524, 1674, 2286, 2511, 3348, 3429, 3937, 4572, 5022, 6858, 7874, 10044, 10287, 11811, 13716, 15748, 16129, 20574, 23622, 32258, 35433, 41148, 47244, 48387, 64516, 70866, 96774, 106299, 141732, 145161, 193548, 212598, 290322, 318897, 425196, 435483, 499999, 580644, 637794, 870966, 999998, 1275588, 1306449, 1499997, 1741932, 1999996, 2612898, 2999994, 4499991, 5225796, 5999988, 8999982, 13499973, 17999964, 26999946, 40499919, 53999892, 80999838, 161999676]

約数ペア:

[(1, 161999676), (2, 80999838), (3, 53999892), (4, 40499919), (6, 26999946), (9, 17999964), (12, 13499973), (18, 8999982), (27, 5999988), (31, 5225796), (36, 4499991), (54, 2999994), (62, 2612898), (81, 1999996), (93, 1741932), (108, 1499997), (124, 1306449), (127, 1275588), (162, 999998), (186, 870966), (254, 637794), (279, 580644), (324, 499999), (372, 435483), (381, 425196), (508, 318897), (558, 290322), (762, 212598), (837, 193548), (1116, 145161), (1143, 141732), (1524, 106299), (1674, 96774), (2286, 70866), (2511, 64516), (3348, 48387), (3429, 47244), (3937, 41148), (4572, 35433), (5022, 32258), (6858, 23622), (7874, 20574), (10044, 16129), (10287, 15748), (11811, 13716)]