28151768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2081}}^1$

素因数の和:2195

約数の個数: 32

約数和(自身を含む): 56214000

約数和(自身を除く): 28062232

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 356, 712, 1691, 2081, 3382, 4162, 6764, 8324, 13528, 16648, 39539, 79078, 158156, 185209, 316312, 370418, 740836, 1481672, 3518971, 7037942, 14075884, 28151768]

約数ペア:

[(1, 28151768), (2, 14075884), (4, 7037942), (8, 3518971), (19, 1481672), (38, 740836), (76, 370418), (89, 316312), (152, 185209), (178, 158156), (356, 79078), (712, 39539), (1691, 16648), (2081, 13528), (3382, 8324), (4162, 6764)]