142886821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{967}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 189573120

約数和(自身を除く): 46686299

約数列:

[1, 7, 11, 19, 77, 101, 133, 209, 707, 967, 1111, 1463, 1919, 6769, 7777, 10637, 13433, 18373, 21109, 74459, 97667, 128611, 147763, 202103, 683669, 1074337, 1414721, 1855673, 7520359, 12989711, 20412403, 142886821]

約数ペア:

[(1, 142886821), (7, 20412403), (11, 12989711), (19, 7520359), (77, 1855673), (101, 1414721), (133, 1074337), (209, 683669), (707, 202103), (967, 147763), (1111, 128611), (1463, 97667), (1919, 74459), (6769, 21109), (7777, 18373), (10637, 13433)]