68741968

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 135748008

約数和(自身を除く): 67006040

約数列:

[1, 2, 4, 8, 16, 113, 193, 197, 226, 386, 394, 452, 772, 788, 904, 1544, 1576, 1808, 3088, 3152, 21809, 22261, 38021, 43618, 44522, 76042, 87236, 89044, 152084, 174472, 178088, 304168, 348944, 356176, 608336, 4296373, 8592746, 17185492, 34370984, 68741968]

約数ペア:

[(1, 68741968), (2, 34370984), (4, 17185492), (8, 8592746), (16, 4296373), (113, 608336), (193, 356176), (197, 348944), (226, 304168), (386, 178088), (394, 174472), (452, 152084), (772, 89044), (788, 87236), (904, 76042), (1544, 44522), (1576, 43618), (1808, 38021), (3088, 22261), (3152, 21809)]