7947654

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 19111680

約数和(自身を除く): 11164026

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 59, 66, 78, 118, 143, 157, 177, 286, 314, 354, 429, 471, 649, 767, 858, 942, 1298, 1534, 1727, 1947, 2041, 2301, 3454, 3894, 4082, 4602, 5181, 6123, 8437, 9263, 10362, 12246, 16874, 18526, 22451, 25311, 27789, 44902, 50622, 55578, 67353, 101893, 120419, 134706, 203786, 240838, 305679, 361257, 611358, 722514, 1324609, 2649218, 3973827, 7947654]

約数ペア:

[(1, 7947654), (2, 3973827), (3, 2649218), (6, 1324609), (11, 722514), (13, 611358), (22, 361257), (26, 305679), (33, 240838), (39, 203786), (59, 134706), (66, 120419), (78, 101893), (118, 67353), (143, 55578), (157, 50622), (177, 44902), (286, 27789), (314, 25311), (354, 22451), (429, 18526), (471, 16874), (649, 12246), (767, 10362), (858, 9263), (942, 8437), (1298, 6123), (1534, 5181), (1727, 4602), (1947, 4082), (2041, 3894), (2301, 3454)]