491536

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1030

約数の個数: 20

約数和(自身を含む): 984064

約数和(自身を除く): 492528

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 991, 1982, 3964, 7928, 15856, 30721, 61442, 122884, 245768, 491536]

約数ペア:

[(1, 491536), (2, 245768), (4, 122884), (8, 61442), (16, 30721), (31, 15856), (62, 7928), (124, 3964), (248, 1982), (496, 991)]