81649288

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6719}}^1$

素因数の和:6770

約数の個数: 48

約数和(自身を含む): 183859200

約数和(自身を除く): 102209912

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1519, 1736, 3038, 6076, 6719, 12152, 13438, 26876, 47033, 53752, 94066, 188132, 208289, 329231, 376264, 416578, 658462, 833156, 1316924, 1458023, 1666312, 2633848, 2916046, 5832092, 10206161, 11664184, 20412322, 40824644, 81649288]

約数ペア:

[(1, 81649288), (2, 40824644), (4, 20412322), (7, 11664184), (8, 10206161), (14, 5832092), (28, 2916046), (31, 2633848), (49, 1666312), (56, 1458023), (62, 1316924), (98, 833156), (124, 658462), (196, 416578), (217, 376264), (248, 329231), (392, 208289), (434, 188132), (868, 94066), (1519, 53752), (1736, 47033), (3038, 26876), (6076, 13438), (6719, 12152)]