81325888

素因数分解:

$2^6\times 7^2\times {\mathrm{25933}}^1$

素因数の和:25959

約数の個数: 42

約数和(自身を含む): 187736226

約数和(自身を除く): 106410338

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 25933, 51866, 103732, 181531, 207464, 363062, 414928, 726124, 829856, 1270717, 1452248, 1659712, 2541434, 2904496, 5082868, 5808992, 10165736, 11617984, 20331472, 40662944, 81325888]

約数ペア:

[(1, 81325888), (2, 40662944), (4, 20331472), (7, 11617984), (8, 10165736), (14, 5808992), (16, 5082868), (28, 2904496), (32, 2541434), (49, 1659712), (56, 1452248), (64, 1270717), (98, 829856), (112, 726124), (196, 414928), (224, 363062), (392, 207464), (448, 181531), (784, 103732), (1568, 51866), (3136, 25933)]