28918942

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{1277}}^1$

素因数の和:1372

約数の個数: 24

約数和(自身を含む): 47710296

約数和(自身を除く): 18791354

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 871, 1277, 1742, 2554, 11323, 16601, 22646, 33202, 85559, 171118, 215813, 431626, 1112267, 2224534, 14459471, 28918942]

約数ペア:

[(1, 28918942), (2, 14459471), (13, 2224534), (26, 1112267), (67, 431626), (134, 215813), (169, 171118), (338, 85559), (871, 33202), (1277, 22646), (1742, 16601), (2554, 11323)]