28940226

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13001}}^1$

素因数の和:13066

約数の個数: 32

約数和(自身を含む): 67402368

約数和(自身を除く): 38462142

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 13001, 26002, 39003, 78006, 91007, 182014, 273021, 546042, 689053, 1378106, 2067159, 4134318, 4823371, 9646742, 14470113, 28940226]

約数ペア:

[(1, 28940226), (2, 14470113), (3, 9646742), (6, 4823371), (7, 4134318), (14, 2067159), (21, 1378106), (42, 689053), (53, 546042), (106, 273021), (159, 182014), (318, 91007), (371, 78006), (742, 39003), (1113, 26002), (2226, 13001)]