28303961

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 35831808

約数和(自身を除く): 7527847

約数列:

[1, 7, 23, 31, 53, 107, 161, 217, 371, 713, 749, 1219, 1643, 2461, 3317, 4991, 5671, 8533, 11501, 17227, 23219, 37789, 39697, 76291, 130433, 175801, 264523, 534037, 913031, 1230607, 4043423, 28303961]

約数ペア:

[(1, 28303961), (7, 4043423), (23, 1230607), (31, 913031), (53, 534037), (107, 264523), (161, 175801), (217, 130433), (371, 76291), (713, 39697), (749, 37789), (1219, 23219), (1643, 17227), (2461, 11501), (3317, 8533), (4991, 5671)]