30978178

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{18287}}^1$

素因数の和:18318

約数の個数: 24

約数和(自身を含む): 58375296

約数和(自身を除く): 27397118

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 18287, 36574, 128009, 201157, 256018, 402314, 1408099, 2212727, 2816198, 4425454, 15489089, 30978178]

約数ペア:

[(1, 30978178), (2, 15489089), (7, 4425454), (11, 2816198), (14, 2212727), (22, 1408099), (77, 402314), (121, 256018), (154, 201157), (242, 128009), (847, 36574), (1694, 18287)]