28943902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{25889}}^1$

素因数の和:25947

約数の個数: 16

約数和(自身を含む): 47844720

約数和(自身を除く): 18900818

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 25889, 51778, 336557, 673114, 1113227, 2226454, 14471951, 28943902]

約数ペア:

[(1, 28943902), (2, 14471951), (13, 2226454), (26, 1113227), (43, 673114), (86, 336557), (559, 51778), (1118, 25889)]