661276

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 1532160

約数和(自身を除く): 870884

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 113, 133, 154, 209, 226, 266, 308, 418, 452, 532, 791, 836, 1243, 1463, 1582, 2147, 2486, 2926, 3164, 4294, 4972, 5852, 8588, 8701, 15029, 17402, 23617, 30058, 34804, 47234, 60116, 94468, 165319, 330638, 661276]

約数ペア:

[(1, 661276), (2, 330638), (4, 165319), (7, 94468), (11, 60116), (14, 47234), (19, 34804), (22, 30058), (28, 23617), (38, 17402), (44, 15029), (76, 8701), (77, 8588), (113, 5852), (133, 4972), (154, 4294), (209, 3164), (226, 2926), (266, 2486), (308, 2147), (418, 1582), (452, 1463), (532, 1243), (791, 836)]