28649872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1391

約数の個数: 40

約数和(自身を含む): 59276960

約数和(自身を除く): 30627088

約数列:

[1, 2, 4, 8, 16, 19, 38, 73, 76, 146, 152, 292, 304, 584, 1168, 1291, 1387, 2582, 2774, 5164, 5548, 10328, 11096, 20656, 22192, 24529, 49058, 94243, 98116, 188486, 196232, 376972, 392464, 753944, 1507888, 1790617, 3581234, 7162468, 14324936, 28649872]

約数ペア:

[(1, 28649872), (2, 14324936), (4, 7162468), (8, 3581234), (16, 1790617), (19, 1507888), (38, 753944), (73, 392464), (76, 376972), (146, 196232), (152, 188486), (292, 98116), (304, 94243), (584, 49058), (1168, 24529), (1291, 22192), (1387, 20656), (2582, 11096), (2774, 10328), (5164, 5548)]