201779221

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{4003}}^1$

素因数の和:4408

約数の個数: 16

約数和(自身を含む): 243443200

約数和(自身を除く): 41663979

約数列:

[1, 7, 19, 133, 379, 2653, 4003, 7201, 28021, 50407, 76057, 532399, 1517137, 10619959, 28825603, 201779221]

約数ペア:

[(1, 201779221), (7, 28825603), (19, 10619959), (133, 1517137), (379, 532399), (2653, 76057), (4003, 50407), (7201, 28021)]