2005365376

素因数分解:

$2^7\times 7^2\times {\mathrm{319733}}^1$

素因数の和:319761

約数の個数: 48

約数和(自身を含む): 4647333690

約数和(自身を除く): 2641968314

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 319733, 639466, 1278932, 2238131, 2557864, 4476262, 5115728, 8952524, 10231456, 15666917, 17905048, 20462912, 31333834, 35810096, 40925824, 62667668, 71620192, 125335336, 143240384, 250670672, 286480768, 501341344, 1002682688, 2005365376]

約数ペア:

[(1, 2005365376), (2, 1002682688), (4, 501341344), (7, 286480768), (8, 250670672), (14, 143240384), (16, 125335336), (28, 71620192), (32, 62667668), (49, 40925824), (56, 35810096), (64, 31333834), (98, 20462912), (112, 17905048), (128, 15666917), (196, 10231456), (224, 8952524), (392, 5115728), (448, 4476262), (784, 2557864), (896, 2238131), (1568, 1278932), (3136, 639466), (6272, 319733)]