308879128

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{3121}}^1$

素因数の和:3355

約数の個数: 32

約数和(自身を含む): 590058000

約数和(自身を除く): 281178872

約数列:

[1, 2, 4, 8, 89, 139, 178, 278, 356, 556, 712, 1112, 3121, 6242, 12371, 12484, 24742, 24968, 49484, 98968, 277769, 433819, 555538, 867638, 1111076, 1735276, 2222152, 3470552, 38609891, 77219782, 154439564, 308879128]

約数ペア:

[(1, 308879128), (2, 154439564), (4, 77219782), (8, 38609891), (89, 3470552), (139, 2222152), (178, 1735276), (278, 1111076), (356, 867638), (556, 555538), (712, 433819), (1112, 277769), (3121, 98968), (6242, 49484), (12371, 24968), (12484, 24742)]