81621848

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:877

約数の個数: 96

約数和(自身を含む): 202901760

約数和(自身を除く): 121279912

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 49, 56, 77, 88, 92, 98, 154, 161, 184, 196, 253, 308, 322, 392, 506, 539, 616, 644, 823, 1012, 1078, 1127, 1288, 1646, 1771, 2024, 2156, 2254, 3292, 3542, 4312, 4508, 5761, 6584, 7084, 9016, 9053, 11522, 12397, 14168, 18106, 18929, 23044, 24794, 36212, 37858, 40327, 46088, 49588, 63371, 72424, 75716, 80654, 99176, 126742, 132503, 151432, 161308, 208219, 253484, 265006, 322616, 416438, 443597, 506968, 530012, 832876, 887194, 927521, 1060024, 1457533, 1665752, 1774388, 1855042, 2915066, 3548776, 3710084, 5830132, 7420168, 10202731, 11660264, 20405462, 40810924, 81621848]

約数ペア:

[(1, 81621848), (2, 40810924), (4, 20405462), (7, 11660264), (8, 10202731), (11, 7420168), (14, 5830132), (22, 3710084), (23, 3548776), (28, 2915066), (44, 1855042), (46, 1774388), (49, 1665752), (56, 1457533), (77, 1060024), (88, 927521), (92, 887194), (98, 832876), (154, 530012), (161, 506968), (184, 443597), (196, 416438), (253, 322616), (308, 265006), (322, 253484), (392, 208219), (506, 161308), (539, 151432), (616, 132503), (644, 126742), (823, 99176), (1012, 80654), (1078, 75716), (1127, 72424), (1288, 63371), (1646, 49588), (1771, 46088), (2024, 40327), (2156, 37858), (2254, 36212), (3292, 24794), (3542, 23044), (4312, 18929), (4508, 18106), (5761, 14168), (6584, 12397), (7084, 11522), (9016, 9053)]