28196528

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 57445728

約数和(自身を除く): 29249200

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 193, 368, 386, 397, 772, 794, 1544, 1588, 3088, 3176, 4439, 6352, 8878, 9131, 17756, 18262, 35512, 36524, 71024, 73048, 76621, 146096, 153242, 306484, 612968, 1225936, 1762283, 3524566, 7049132, 14098264, 28196528]

約数ペア:

[(1, 28196528), (2, 14098264), (4, 7049132), (8, 3524566), (16, 1762283), (23, 1225936), (46, 612968), (92, 306484), (184, 153242), (193, 146096), (368, 76621), (386, 73048), (397, 71024), (772, 36524), (794, 35512), (1544, 18262), (1588, 17756), (3088, 9131), (3176, 8878), (4439, 6352)]