198181816

素因数分解:

$2^3\times 7^1\times {\mathrm{641}}^1\times {\mathrm{5521}}^1$

素因数の和:6175

約数の個数: 32

約数和(自身を含む): 425414880

約数和(自身を除く): 227233064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 641, 1282, 2564, 4487, 5128, 5521, 8974, 11042, 17948, 22084, 35896, 38647, 44168, 77294, 154588, 309176, 3538961, 7077922, 14155844, 24772727, 28311688, 49545454, 99090908, 198181816]

約数ペア:

[(1, 198181816), (2, 99090908), (4, 49545454), (7, 28311688), (8, 24772727), (14, 14155844), (28, 7077922), (56, 3538961), (641, 309176), (1282, 154588), (2564, 77294), (4487, 44168), (5128, 38647), (5521, 35896), (8974, 22084), (11042, 17948)]