28720552

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26993}}^1$

素因数の和:27025

約数の個数: 32

約数和(自身を含む): 64785600

約数和(自身を除く): 36065048

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 26993, 53986, 107972, 188951, 215944, 377902, 512867, 755804, 1025734, 1511608, 2051468, 3590069, 4102936, 7180138, 14360276, 28720552]

約数ペア:

[(1, 28720552), (2, 14360276), (4, 7180138), (7, 4102936), (8, 3590069), (14, 2051468), (19, 1511608), (28, 1025734), (38, 755804), (56, 512867), (76, 377902), (133, 215944), (152, 188951), (266, 107972), (532, 53986), (1064, 26993)]