290608766

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{2239}}^1$

素因数の和:2448

約数の個数: 32

約数和(自身を含む): 509214720

約数和(自身を除く): 218605954

約数列:

[1, 2, 7, 14, 73, 127, 146, 254, 511, 889, 1022, 1778, 2239, 4478, 9271, 15673, 18542, 31346, 64897, 129794, 163447, 284353, 326894, 568706, 1144129, 1990471, 2288258, 3980942, 20757769, 41515538, 145304383, 290608766]

約数ペア:

[(1, 290608766), (2, 145304383), (7, 41515538), (14, 20757769), (73, 3980942), (127, 2288258), (146, 1990471), (254, 1144129), (511, 568706), (889, 326894), (1022, 284353), (1778, 163447), (2239, 129794), (4478, 64897), (9271, 31346), (15673, 18542)]