213681494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{439}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 351341760

約数和(自身を除く): 137660266

約数列:

[1, 2, 13, 26, 97, 193, 194, 386, 439, 878, 1261, 2509, 2522, 5018, 5707, 11414, 18721, 37442, 42583, 84727, 85166, 169454, 243373, 486746, 553579, 1101451, 1107158, 2202902, 8218519, 16437038, 106840747, 213681494]

約数ペア:

[(1, 213681494), (2, 106840747), (13, 16437038), (26, 8218519), (97, 2202902), (193, 1107158), (194, 1101451), (386, 553579), (439, 486746), (878, 243373), (1261, 169454), (2509, 85166), (2522, 84727), (5018, 42583), (5707, 37442), (11414, 18721)]