221158861

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{11443}}^1$

素因数の和:11712

約数の個数: 16

約数和(自身を含む): 276853248

約数和(自身を除く): 55694387

約数列:

[1, 7, 11, 77, 251, 1757, 2761, 11443, 19327, 80101, 125873, 881111, 2872193, 20105351, 31594123, 221158861]

約数ペア:

[(1, 221158861), (7, 31594123), (11, 20105351), (77, 2872193), (251, 881111), (1757, 125873), (2761, 80101), (11443, 19327)]