25941128

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 49896000

約数和(自身を除く): 23954872

約数列:

[1, 2, 4, 8, 71, 109, 142, 218, 284, 419, 436, 568, 838, 872, 1676, 3352, 7739, 15478, 29749, 30956, 45671, 59498, 61912, 91342, 118996, 182684, 237992, 365368, 3242641, 6485282, 12970564, 25941128]

約数ペア:

[(1, 25941128), (2, 12970564), (4, 6485282), (8, 3242641), (71, 365368), (109, 237992), (142, 182684), (218, 118996), (284, 91342), (419, 61912), (436, 59498), (568, 45671), (838, 30956), (872, 29749), (1676, 15478), (3352, 7739)]