401488688

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{809453}}^1$

素因数の和:809492

約数の個数: 20

約数和(自身を含む): 802978368

約数和(自身を除く): 401489680

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 809453, 1618906, 3237812, 6475624, 12951248, 25093043, 50186086, 100372172, 200744344, 401488688]

約数ペア:

[(1, 401488688), (2, 200744344), (4, 100372172), (8, 50186086), (16, 25093043), (31, 12951248), (62, 6475624), (124, 3237812), (248, 1618906), (496, 809453)]