254403968

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21841}}^1$

素因数の和:21875

約数の個数: 64

約数和(自身を含む): 623807520

約数和(自身を除く): 369403552

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2912, 5824, 11648, 21841, 43682, 87364, 152887, 174728, 283933, 305774, 349456, 567866, 611548, 698912, 1135732, 1223096, 1397824, 1987531, 2271464, 2446192, 2795648, 3975062, 4542928, 4892384, 7950124, 9085856, 9784768, 15900248, 18171712, 19569536, 31800496, 36343424, 63600992, 127201984, 254403968]

約数ペア:

[(1, 254403968), (2, 127201984), (4, 63600992), (7, 36343424), (8, 31800496), (13, 19569536), (14, 18171712), (16, 15900248), (26, 9784768), (28, 9085856), (32, 7950124), (52, 4892384), (56, 4542928), (64, 3975062), (91, 2795648), (104, 2446192), (112, 2271464), (128, 1987531), (182, 1397824), (208, 1223096), (224, 1135732), (364, 698912), (416, 611548), (448, 567866), (728, 349456), (832, 305774), (896, 283933), (1456, 174728), (1664, 152887), (2912, 87364), (5824, 43682), (11648, 21841)]