128833964

素因数分解:

$2^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{4643}}^1$

素因数の和:5645

約数の個数: 24

約数和(自身を含む): 257983488

約数和(自身を除く): 129149524

約数列:

[1, 2, 4, 7, 14, 28, 991, 1982, 3964, 4643, 6937, 9286, 13874, 18572, 27748, 32501, 65002, 130004, 4601213, 9202426, 18404852, 32208491, 64416982, 128833964]

約数ペア:

[(1, 128833964), (2, 64416982), (4, 32208491), (7, 18404852), (14, 9202426), (28, 4601213), (991, 130004), (1982, 65002), (3964, 32501), (4643, 27748), (6937, 18572), (9286, 13874)]