16580816

素因数分解:

$2^4\times 7^2\times {\mathrm{21149}}^1$

素因数の和:21171

約数の個数: 30

約数和(自身を含む): 37372050

約数和(自身を除く): 20791234

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 21149, 42298, 84596, 148043, 169192, 296086, 338384, 592172, 1036301, 1184344, 2072602, 2368688, 4145204, 8290408, 16580816]

約数ペア:

[(1, 16580816), (2, 8290408), (4, 4145204), (7, 2368688), (8, 2072602), (14, 1184344), (16, 1036301), (28, 592172), (49, 338384), (56, 296086), (98, 169192), (112, 148043), (196, 84596), (392, 42298), (784, 21149)]