281790496

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21851}}^1$

素因数の和:21905

約数の個数: 48

約数和(自身を含む): 616750848

約数和(自身を除く): 334960352

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6448, 12896, 21851, 43702, 87404, 174808, 284063, 349616, 568126, 677381, 699232, 1136252, 1354762, 2272504, 2709524, 4545008, 5419048, 8805953, 9090016, 10838096, 17611906, 21676192, 35223812, 70447624, 140895248, 281790496]

約数ペア:

[(1, 281790496), (2, 140895248), (4, 70447624), (8, 35223812), (13, 21676192), (16, 17611906), (26, 10838096), (31, 9090016), (32, 8805953), (52, 5419048), (62, 4545008), (104, 2709524), (124, 2272504), (208, 1354762), (248, 1136252), (403, 699232), (416, 677381), (496, 568126), (806, 349616), (992, 284063), (1612, 174808), (3224, 87404), (6448, 43702), (12896, 21851)]