199945676

素因数分解:

$2^2\times 7^4\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:332

約数の個数: 60

約数和(自身を含む): 414099840

約数和(自身を除く): 214154164

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 191, 196, 218, 343, 382, 436, 686, 763, 764, 1337, 1372, 1526, 2401, 2674, 3052, 4802, 5341, 5348, 9359, 9604, 10682, 18718, 20819, 21364, 37387, 37436, 41638, 65513, 74774, 83276, 131026, 145733, 149548, 261709, 262052, 291466, 458591, 523418, 582932, 917182, 1020131, 1046836, 1834364, 2040262, 4080524, 7140917, 14281834, 28563668, 49986419, 99972838, 199945676]

約数ペア:

[(1, 199945676), (2, 99972838), (4, 49986419), (7, 28563668), (14, 14281834), (28, 7140917), (49, 4080524), (98, 2040262), (109, 1834364), (191, 1046836), (196, 1020131), (218, 917182), (343, 582932), (382, 523418), (436, 458591), (686, 291466), (763, 262052), (764, 261709), (1337, 149548), (1372, 145733), (1526, 131026), (2401, 83276), (2674, 74774), (3052, 65513), (4802, 41638), (5341, 37436), (5348, 37387), (9359, 21364), (9604, 20819), (10682, 18718)]