81972184

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2120

約数の個数: 64

約数和(自身を含む): 189296640

約数和(自身を除く): 107324456

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 56, 62, 92, 124, 161, 184, 217, 248, 322, 434, 644, 713, 868, 1288, 1426, 1736, 2053, 2852, 4106, 4991, 5704, 8212, 9982, 14371, 16424, 19964, 28742, 39928, 47219, 57484, 63643, 94438, 114968, 127286, 188876, 254572, 330533, 377752, 445501, 509144, 661066, 891002, 1322132, 1463789, 1782004, 2644264, 2927578, 3564008, 5855156, 10246523, 11710312, 20493046, 40986092, 81972184]

約数ペア:

[(1, 81972184), (2, 40986092), (4, 20493046), (7, 11710312), (8, 10246523), (14, 5855156), (23, 3564008), (28, 2927578), (31, 2644264), (46, 1782004), (56, 1463789), (62, 1322132), (92, 891002), (124, 661066), (161, 509144), (184, 445501), (217, 377752), (248, 330533), (322, 254572), (434, 188876), (644, 127286), (713, 114968), (868, 94438), (1288, 63643), (1426, 57484), (1736, 47219), (2053, 39928), (2852, 28742), (4106, 19964), (4991, 16424), (5704, 14371), (8212, 9982)]