87109988

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1789}}^1$

素因数の和:1884

約数の個数: 48

約数和(自身を含む): 182837760

約数和(自身を除く): 95727772

約数列:

[1, 2, 4, 7, 14, 28, 37, 47, 74, 94, 148, 188, 259, 329, 518, 658, 1036, 1316, 1739, 1789, 3478, 3578, 6956, 7156, 12173, 12523, 24346, 25046, 48692, 50092, 66193, 84083, 132386, 168166, 264772, 336332, 463351, 588581, 926702, 1177162, 1853404, 2354324, 3111071, 6222142, 12444284, 21777497, 43554994, 87109988]

約数ペア:

[(1, 87109988), (2, 43554994), (4, 21777497), (7, 12444284), (14, 6222142), (28, 3111071), (37, 2354324), (47, 1853404), (74, 1177162), (94, 926702), (148, 588581), (188, 463351), (259, 336332), (329, 264772), (518, 168166), (658, 132386), (1036, 84083), (1316, 66193), (1739, 50092), (1789, 48692), (3478, 25046), (3578, 24346), (6956, 12523), (7156, 12173)]