28889728

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1697}}^1$

素因数の和:1737

約数の個数: 64

約数和(自身を含む): 69278400

約数和(自身を除く): 40388672

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 266, 304, 448, 532, 608, 896, 1064, 1216, 1697, 2128, 2432, 3394, 4256, 6788, 8512, 11879, 13576, 17024, 23758, 27152, 32243, 47516, 54304, 64486, 95032, 108608, 128972, 190064, 217216, 225701, 257944, 380128, 451402, 515888, 760256, 902804, 1031776, 1520512, 1805608, 2063552, 3611216, 4127104, 7222432, 14444864, 28889728]

約数ペア:

[(1, 28889728), (2, 14444864), (4, 7222432), (7, 4127104), (8, 3611216), (14, 2063552), (16, 1805608), (19, 1520512), (28, 1031776), (32, 902804), (38, 760256), (56, 515888), (64, 451402), (76, 380128), (112, 257944), (128, 225701), (133, 217216), (152, 190064), (224, 128972), (266, 108608), (304, 95032), (448, 64486), (532, 54304), (608, 47516), (896, 32243), (1064, 27152), (1216, 23758), (1697, 17024), (2128, 13576), (2432, 11879), (3394, 8512), (4256, 6788)]