128975716

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{6691}}^1$

素因数の和:6835

約数の個数: 24

約数和(自身を含む): 232346240

約数和(自身を除く): 103370524

約数列:

[1, 2, 4, 61, 79, 122, 158, 244, 316, 4819, 6691, 9638, 13382, 19276, 26764, 408151, 528589, 816302, 1057178, 1632604, 2114356, 32243929, 64487858, 128975716]

約数ペア:

[(1, 128975716), (2, 64487858), (4, 32243929), (61, 2114356), (79, 1632604), (122, 1057178), (158, 816302), (244, 528589), (316, 408151), (4819, 26764), (6691, 19276), (9638, 13382)]