128519204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 255104640

約数和(自身を除く): 126585436

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 89, 148, 178, 356, 407, 814, 887, 979, 1628, 1774, 1958, 3293, 3548, 3916, 6586, 9757, 13172, 19514, 32819, 36223, 39028, 65638, 72446, 78943, 131276, 144892, 157886, 315772, 361009, 722018, 868373, 1444036, 1736746, 2920891, 3473492, 5841782, 11683564, 32129801, 64259602, 128519204]

約数ペア:

[(1, 128519204), (2, 64259602), (4, 32129801), (11, 11683564), (22, 5841782), (37, 3473492), (44, 2920891), (74, 1736746), (89, 1444036), (148, 868373), (178, 722018), (356, 361009), (407, 315772), (814, 157886), (887, 144892), (979, 131276), (1628, 78943), (1774, 72446), (1958, 65638), (3293, 39028), (3548, 36223), (3916, 32819), (6586, 19514), (9757, 13172)]