215428708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{19051}}^1$

素因数の和:19323

約数の個数: 24

約数和(自身を含む): 412894944

約数和(自身を除く): 197466236

約数列:

[1, 2, 4, 11, 22, 44, 257, 514, 1028, 2827, 5654, 11308, 19051, 38102, 76204, 209561, 419122, 838244, 4896107, 9792214, 19584428, 53857177, 107714354, 215428708]

約数ペア:

[(1, 215428708), (2, 107714354), (4, 53857177), (11, 19584428), (22, 9792214), (44, 4896107), (257, 838244), (514, 419122), (1028, 209561), (2827, 76204), (5654, 38102), (11308, 19051)]