208819438

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{547}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 336796416

約数和(自身を除く): 127976978

約数列:

[1, 2, 23, 43, 46, 86, 193, 386, 547, 989, 1094, 1978, 4439, 8299, 8878, 12581, 16598, 23521, 25162, 47042, 105571, 190877, 211142, 381754, 540983, 1081966, 2428133, 4539553, 4856266, 9079106, 104409719, 208819438]

約数ペア:

[(1, 208819438), (2, 104409719), (23, 9079106), (43, 4856266), (46, 4539553), (86, 2428133), (193, 1081966), (386, 540983), (547, 381754), (989, 211142), (1094, 190877), (1978, 105571), (4439, 47042), (8299, 25162), (8878, 23521), (12581, 16598)]