1639639924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2221}}^1\times {\mathrm{14197}}^1$

素因数の和:16435

約数の個数: 24

約数和(自身を含む): 3091699688

約数和(自身を除く): 1452059764

約数列:

[1, 2, 4, 13, 26, 52, 2221, 4442, 8884, 14197, 28394, 28873, 56788, 57746, 115492, 184561, 369122, 738244, 31531537, 63063074, 126126148, 409909981, 819819962, 1639639924]

約数ペア:

[(1, 1639639924), (2, 819819962), (4, 409909981), (13, 126126148), (26, 63063074), (52, 31531537), (2221, 738244), (4442, 369122), (8884, 184561), (14197, 115492), (28394, 57746), (28873, 56788)]