66667952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1627}}^1$

素因数の和:1845

約数の個数: 40

約数和(自身を含む): 139897296

約数和(自身を除く): 73229344

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 394, 788, 1576, 1627, 2561, 3152, 3254, 5122, 6508, 10244, 13016, 20488, 21151, 26032, 40976, 42302, 84604, 169208, 320519, 338416, 641038, 1282076, 2564152, 4166747, 5128304, 8333494, 16666988, 33333976, 66667952]

約数ペア:

[(1, 66667952), (2, 33333976), (4, 16666988), (8, 8333494), (13, 5128304), (16, 4166747), (26, 2564152), (52, 1282076), (104, 641038), (197, 338416), (208, 320519), (394, 169208), (788, 84604), (1576, 42302), (1627, 40976), (2561, 26032), (3152, 21151), (3254, 20488), (5122, 13016), (6508, 10244)]