129641590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1871}}^1$

素因数の和:1945

約数の個数: 48

約数和(自身を含む): 258987456

約数和(自身を除く): 129345866

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 169, 205, 338, 410, 533, 845, 1066, 1690, 1871, 2665, 3742, 5330, 6929, 9355, 13858, 18710, 24323, 34645, 48646, 69290, 76711, 121615, 153422, 243230, 316199, 383555, 632398, 767110, 997243, 1580995, 1994486, 3161990, 4986215, 9972430, 12964159, 25928318, 64820795, 129641590]

約数ペア:

[(1, 129641590), (2, 64820795), (5, 25928318), (10, 12964159), (13, 9972430), (26, 4986215), (41, 3161990), (65, 1994486), (82, 1580995), (130, 997243), (169, 767110), (205, 632398), (338, 383555), (410, 316199), (533, 243230), (845, 153422), (1066, 121615), (1690, 76711), (1871, 69290), (2665, 48646), (3742, 34645), (5330, 24323), (6929, 18710), (9355, 13858)]