61871562

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1381}}^1$

素因数の和:1539

約数の個数: 48

約数和(自身を含む): 142290720

約数和(自身を除く): 80419158

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 131, 171, 262, 342, 393, 786, 1179, 1381, 2358, 2489, 2762, 4143, 4978, 7467, 8286, 12429, 14934, 22401, 24858, 26239, 44802, 52478, 78717, 157434, 180911, 236151, 361822, 472302, 542733, 1085466, 1628199, 3256398, 3437309, 6874618, 10311927, 20623854, 30935781, 61871562]

約数ペア:

[(1, 61871562), (2, 30935781), (3, 20623854), (6, 10311927), (9, 6874618), (18, 3437309), (19, 3256398), (38, 1628199), (57, 1085466), (114, 542733), (131, 472302), (171, 361822), (262, 236151), (342, 180911), (393, 157434), (786, 78717), (1179, 52478), (1381, 44802), (2358, 26239), (2489, 24858), (2762, 22401), (4143, 14934), (4978, 12429), (7467, 8286)]