219960937

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{22397}}^1$

素因数の和:22488

約数の個数: 16

約数和(自身を含む): 266625792

約数和(自身を除く): 46664855

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 22397, 156779, 515131, 1366217, 3605917, 9563519, 31422991, 219960937]

約数ペア:

[(1, 219960937), (7, 31422991), (23, 9563519), (61, 3605917), (161, 1366217), (427, 515131), (1403, 156779), (9821, 22397)]