280156957

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 324086400

約数和(自身を除く): 43929443

約数列:

[1, 17, 19, 59, 61, 241, 323, 1003, 1037, 1121, 1159, 3599, 4097, 4579, 14219, 14701, 19057, 19703, 61183, 68381, 77843, 241723, 249917, 270161, 279319, 867359, 1162477, 4592737, 4748423, 14745103, 16479821, 280156957]

約数ペア:

[(1, 280156957), (17, 16479821), (19, 14745103), (59, 4748423), (61, 4592737), (241, 1162477), (323, 867359), (1003, 279319), (1037, 270161), (1121, 249917), (1159, 241723), (3599, 77843), (4097, 68381), (4579, 61183), (14219, 19703), (14701, 19057)]