199894568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{2293}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 397641960

約数和(自身を除く): 197747392

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 641, 1282, 2293, 2564, 4586, 5128, 9172, 10897, 18344, 21794, 38981, 43588, 77962, 87176, 155924, 311848, 1469813, 2939626, 5879252, 11758504, 24986821, 49973642, 99947284, 199894568]

約数ペア:

[(1, 199894568), (2, 99947284), (4, 49973642), (8, 24986821), (17, 11758504), (34, 5879252), (68, 2939626), (136, 1469813), (641, 311848), (1282, 155924), (2293, 87176), (2564, 77962), (4586, 43588), (5128, 38981), (9172, 21794), (10897, 18344)]