81198488

素因数分解:

$2^3\times 7^2\times {\mathrm{207139}}^1$

素因数の和:207159

約数の個数: 24

約数和(自身を含む): 177104700

約数和(自身を除く): 95906212

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 207139, 414278, 828556, 1449973, 1657112, 2899946, 5799892, 10149811, 11599784, 20299622, 40599244, 81198488]

約数ペア:

[(1, 81198488), (2, 40599244), (4, 20299622), (7, 11599784), (8, 10149811), (14, 5799892), (28, 2899946), (49, 1657112), (56, 1449973), (98, 828556), (196, 414278), (392, 207139)]