400145207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{28711}}^1$

素因数の和:28910

約数の個数: 16

約数和(自身を含む): 501656064

約数和(自身を除く): 101510857

約数列:

[1, 7, 11, 77, 181, 1267, 1991, 13937, 28711, 200977, 315821, 2210747, 5196691, 36376837, 57163601, 400145207]

約数ペア:

[(1, 400145207), (7, 57163601), (11, 36376837), (77, 5196691), (181, 2210747), (1267, 315821), (1991, 200977), (13937, 28711)]