219436

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 465696

約数和(自身を除く): 246260

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 461, 476, 922, 1844, 3227, 6454, 7837, 12908, 15674, 31348, 54859, 109718, 219436]

約数ペア:

[(1, 219436), (2, 109718), (4, 54859), (7, 31348), (14, 15674), (17, 12908), (28, 7837), (34, 6454), (68, 3227), (119, 1844), (238, 922), (461, 476)]