128291401

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2467}}^1$

素因数の和:2533

約数の個数: 32

約数和(自身を含む): 170588160

約数和(自身を除く): 42296759

約数列:

[1, 7, 17, 19, 23, 119, 133, 161, 323, 391, 437, 2261, 2467, 2737, 3059, 7429, 17269, 41939, 46873, 52003, 56741, 293573, 328111, 397187, 796841, 964597, 1078079, 5577887, 6752179, 7546553, 18327343, 128291401]

約数ペア:

[(1, 128291401), (7, 18327343), (17, 7546553), (19, 6752179), (23, 5577887), (119, 1078079), (133, 964597), (161, 796841), (323, 397187), (391, 328111), (437, 293573), (2261, 56741), (2467, 52003), (2737, 46873), (3059, 41939), (7429, 17269)]