64438668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{255709}}^1$

素因数の和:255726

約数の個数: 36

約数和(自身を含む): 186156880

約数和(自身を除く): 121718212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 255709, 511418, 767127, 1022836, 1534254, 1789963, 2301381, 3068508, 3579926, 4602762, 5369889, 7159852, 9205524, 10739778, 16109667, 21479556, 32219334, 64438668]

約数ペア:

[(1, 64438668), (2, 32219334), (3, 21479556), (4, 16109667), (6, 10739778), (7, 9205524), (9, 7159852), (12, 5369889), (14, 4602762), (18, 3579926), (21, 3068508), (28, 2301381), (36, 1789963), (42, 1534254), (63, 1022836), (84, 767127), (126, 511418), (252, 255709)]