28019852

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7639}}^1$

素因数の和:7781

約数の個数: 24

約数和(自身を含む): 56474880

約数和(自身を除く): 28455028

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 7639, 15278, 30556, 53473, 106946, 213892, 1000709, 2001418, 4002836, 7004963, 14009926, 28019852]

約数ペア:

[(1, 28019852), (2, 14009926), (4, 7004963), (7, 4002836), (14, 2001418), (28, 1000709), (131, 213892), (262, 106946), (524, 53473), (917, 30556), (1834, 15278), (3668, 7639)]