278340490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{2477}}^1$

素因数の和:3162

約数の個数: 32

約数和(自身を含む): 531501264

約数和(自身を除く): 253160774

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 661, 1322, 2477, 3305, 4954, 6610, 11237, 12385, 22474, 24770, 42109, 56185, 84218, 112370, 210545, 421090, 1637297, 3274594, 8186485, 16372970, 27834049, 55668098, 139170245, 278340490]

約数ペア:

[(1, 278340490), (2, 139170245), (5, 55668098), (10, 27834049), (17, 16372970), (34, 8186485), (85, 3274594), (170, 1637297), (661, 421090), (1322, 210545), (2477, 112370), (3305, 84218), (4954, 56185), (6610, 42109), (11237, 24770), (12385, 22474)]