2156851206

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{7121}}^1$

素因数の和:7282

約数の個数: 64

約数和(自身を含む): 4922726400

約数和(自身を除く): 2765875194

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 79, 142, 158, 213, 237, 426, 474, 639, 711, 1278, 1422, 1917, 2133, 3834, 4266, 5609, 7121, 11218, 14242, 16827, 21363, 33654, 42726, 50481, 64089, 100962, 128178, 151443, 192267, 302886, 384534, 505591, 562559, 1011182, 1125118, 1516773, 1687677, 3033546, 3375354, 4550319, 5063031, 9100638, 10126062, 13650957, 15189093, 27301914, 30378186, 39941689, 79883378, 119825067, 239650134, 359475201, 718950402, 1078425603, 2156851206]

約数ペア:

[(1, 2156851206), (2, 1078425603), (3, 718950402), (6, 359475201), (9, 239650134), (18, 119825067), (27, 79883378), (54, 39941689), (71, 30378186), (79, 27301914), (142, 15189093), (158, 13650957), (213, 10126062), (237, 9100638), (426, 5063031), (474, 4550319), (639, 3375354), (711, 3033546), (1278, 1687677), (1422, 1516773), (1917, 1125118), (2133, 1011182), (3834, 562559), (4266, 505591), (5609, 384534), (7121, 302886), (11218, 192267), (14242, 151443), (16827, 128178), (21363, 100962), (33654, 64089), (42726, 50481)]