68480338

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 111196800

約数和(自身を除く): 42716462

約数列:

[1, 2, 23, 43, 46, 86, 89, 178, 389, 778, 989, 1978, 2047, 3827, 4094, 7654, 8947, 16727, 17894, 33454, 34621, 69242, 88021, 176042, 384721, 769442, 796283, 1488703, 1592566, 2977406, 34240169, 68480338]

約数ペア:

[(1, 68480338), (2, 34240169), (23, 2977406), (43, 1592566), (46, 1488703), (86, 796283), (89, 769442), (178, 384721), (389, 176042), (778, 88021), (989, 69242), (1978, 34621), (2047, 33454), (3827, 17894), (4094, 16727), (7654, 8947)]