28381678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1600

約数の個数: 32

約数和(自身を含む): 49416192

約数和(自身を除く): 21034514

約数列:

[1, 2, 13, 23, 26, 31, 46, 62, 299, 403, 598, 713, 806, 1426, 1531, 3062, 9269, 18538, 19903, 35213, 39806, 47461, 70426, 94922, 457769, 616993, 915538, 1091603, 1233986, 2183206, 14190839, 28381678]

約数ペア:

[(1, 28381678), (2, 14190839), (13, 2183206), (23, 1233986), (26, 1091603), (31, 915538), (46, 616993), (62, 457769), (299, 94922), (403, 70426), (598, 47461), (713, 39806), (806, 35213), (1426, 19903), (1531, 18538), (3062, 9269)]