27985426

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 49230720

約数和(自身を除く): 21245294

約数列:

[1, 2, 7, 14, 73, 139, 146, 197, 278, 394, 511, 973, 1022, 1379, 1946, 2758, 10147, 14381, 20294, 27383, 28762, 54766, 71029, 100667, 142058, 191681, 201334, 383362, 1998959, 3997918, 13992713, 27985426]

約数ペア:

[(1, 27985426), (2, 13992713), (7, 3997918), (14, 1998959), (73, 383362), (139, 201334), (146, 191681), (197, 142058), (278, 100667), (394, 71029), (511, 54766), (973, 28762), (1022, 27383), (1379, 20294), (1946, 14381), (2758, 10147)]