85939252

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 176117760

約数和(自身を除く): 90178508

約数列:

[1, 2, 4, 7, 14, 28, 71, 139, 142, 278, 284, 311, 497, 556, 622, 973, 994, 1244, 1946, 1988, 2177, 3892, 4354, 8708, 9869, 19738, 22081, 39476, 43229, 44162, 69083, 86458, 88324, 138166, 154567, 172916, 276332, 302603, 309134, 605206, 618268, 1210412, 3069259, 6138518, 12277036, 21484813, 42969626, 85939252]

約数ペア:

[(1, 85939252), (2, 42969626), (4, 21484813), (7, 12277036), (14, 6138518), (28, 3069259), (71, 1210412), (139, 618268), (142, 605206), (278, 309134), (284, 302603), (311, 276332), (497, 172916), (556, 154567), (622, 138166), (973, 88324), (994, 86458), (1244, 69083), (1946, 44162), (1988, 43229), (2177, 39476), (3892, 22081), (4354, 19738), (8708, 9869)]