661428

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{967}}^1$

素因数の和:996

約数の個数: 36

約数和(自身を含む): 1761760

約数和(自身を除く): 1100332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 967, 1934, 2901, 3868, 5802, 8703, 11604, 17406, 18373, 34812, 36746, 55119, 73492, 110238, 165357, 220476, 330714, 661428]

約数ペア:

[(1, 661428), (2, 330714), (3, 220476), (4, 165357), (6, 110238), (9, 73492), (12, 55119), (18, 36746), (19, 34812), (36, 18373), (38, 17406), (57, 11604), (76, 8703), (114, 5802), (171, 3868), (228, 2901), (342, 1934), (684, 967)]